diff --git a/server/chat-plugins/othermetas.ts b/server/chat-plugins/othermetas.ts
index 9784ea9488..a835b1a9c4 100644
--- a/server/chat-plugins/othermetas.ts
+++ b/server/chat-plugins/othermetas.ts
@@ -1,4 +1,9 @@
-// Other Metas plugin by Spandan
+/**
+ * Other Metagames chat plugin
+ * Lets users see elements of Pokemon in various Other Metagames.
+ * Originally by Spandan.
+ * @author Kris
+*/
 
 import {Utils} from '../../lib/utils';
 
@@ -42,12 +47,12 @@ function getMegaStone(stone: string, mod = 'gen8'): Item | null {
 export const commands: ChatCommands = {
 	om: 'othermetas',
 	othermetas(target, room, user) {
-		if (!this.runBroadcast()) return;
+		this.runBroadcast();
 		target = toID(target);
 		let buffer = ``;
 
 		if (target === 'all' && this.broadcasting) {
-			return this.sendReplyBox(`You cannot broadcast information about all Other Metagames at once.`);
+			throw new Chat.ErrorMessage(`You cannot broadcast information about all Other Metagames at once.`);
 		}
 
 		if (!target || target === 'all') {
@@ -78,30 +83,28 @@ export const commands: ChatCommands = {
 
 	mnm: 'mixandmega',
 	mixandmega(target, room, user) {
-		if (!this.runBroadcast()) return;
 		if (!toID(target) || !target.includes('@')) return this.parse('/help mixandmega');
+		this.runBroadcast();
 		let dex = Dex;
 		const sep = target.split('@');
 		const stoneName = sep.slice(1).join('@').trim().split(',');
 		const mod = stoneName[1];
-		if (mod && toID(mod) in Dex.dexes) dex = Dex.mod(toID(mod));
+		if (mod) {
+			if (toID(mod) in Dex.dexes) {
+				dex = Dex.mod(toID(mod));
+			} else {
+				throw new Chat.ErrorMessage(`A mod by the name of '${mod.trim()}' does not exist.`);
+			}
+			if (dex === Dex.dexes['ssb']) {
+				throw new Chat.ErrorMessage(`The SSB mod supports custom elements for Mega Stones that have the capability of crashing the server.`);
+			}
+		}
 		const stone = getMegaStone(stoneName[0], mod);
 		const species = dex.getSpecies(sep[0]);
 		if (!stone || (dex.gen >= 8 && ['redorb', 'blueorb'].includes(stone.id))) {
-			return this.errorReply(`Error: Mega Stone not found.`);
-		}
-		if (!species.exists) return this.errorReply(`Error: Pokemon not found.`);
-		const banlist = Dex.getFormat('gen8mixandmega').banlist;
-		if (banlist.includes(stone.name)) {
-			this.errorReply(`Warning: ${stone.name} is banned from Mix and Mega.`);
-		}
-		// Fake Pokemon and Mega Stones
-		if (species.isNonstandard === "CAP") {
-			this.errorReply(`Warning: ${species.name} is not a real Pokemon and is therefore not usable in Mix and Mega.`);
-		}
-		if (stone.isNonstandard === "CAP") {
-			this.errorReply(`Warning: ${stone.name} is a fake mega stone created by the CAP Project and is restricted to the CAP ${stone.megaEvolves}.`);
+			throw new Chat.ErrorMessage(`Error: Mega Stone not found.`);
 		}
+		if (!species.exists) throw new Chat.ErrorMessage(`Error: Pok\u00e9mon not found.`);
 		let baseSpecies = dex.getSpecies(stone.megaEvolves);
 		let megaSpecies = dex.getSpecies(stone.megaStone);
 		if (stone.id === 'redorb') { // Orbs do not have 'Item.megaStone' or 'Item.megaEvolves' properties.
@@ -174,27 +177,36 @@ export const commands: ChatCommands = {
 		}).join("&nbsp;|&ThickSpace;") + '</font>');
 	},
 	mixandmegahelp: [
-		`/mnm <pokemon> @ <mega stone>[, generation] - Shows the Mix and Mega evolved Pokemon's type and stats.`,
+		`/mnm <pokemon> @ <mega stone>[, generation] - Shows the Mix and Mega evolved Pok\u00e9mon's type and stats.`,
 	],
 
 	orb: 'stone',
 	megastone: 'stone',
 	stone(target) {
-		if (!this.runBroadcast()) return;
 		const sep = target.split(',');
 		let dex = Dex;
-		if (sep[1] && toID(sep[1]) in Dex.dexes) dex = Dex.mod(toID(sep[1]));
+		if (sep[1]) {
+			if (toID(sep[1]) in Dex.dexes) {
+				dex = Dex.mod(toID(sep[1]));
+			} else {
+				throw new Chat.ErrorMessage(`A mod by the name of '${sep[1].trim()}' does not exist.`);
+			}
+			if (dex === Dex.dexes['ssb']) {
+				throw new Chat.ErrorMessage(`The SSB mod supports custom elements for Mega Stones that have the capability of crashing the server.`);
+			}
+		}
 		const targetid = toID(sep[0]);
 		if (!targetid) return this.parse('/help stone');
+		this.runBroadcast();
 		const stone = getMegaStone(targetid, sep[1]);
 		if (stone && dex.gen >= 8 && ['redorb', 'blueorb'].includes(stone.id)) {
-			return this.errorReply("The Orbs do not exist in Gen 8 and later.");
+			throw new Chat.ErrorMessage("The Orbs do not exist in Gen 8 and later.");
 		}
 		const stones = [];
 		if (!stone) {
 			const species = dex.getSpecies(targetid.replace(/(?:mega[xy]?|primal)$/, ''));
-			if (!species.exists) return this.errorReply(`Error: Mega Stone not found.`);
-			if (!species.otherFormes) return this.errorReply(`Error: Mega Evolution not found.`);
+			if (!species.exists) throw new Chat.ErrorMessage(`Error: Mega Stone not found.`);
+			if (!species.otherFormes) throw new Chat.ErrorMessage(`Error: Mega Evolution not found.`);
 			for (const poke of species.otherFormes) {
 				if (!/(?:-Primal|-Mega(?:-[XY])?)$/.test(poke)) continue;
 				const megaPoke = dex.getSpecies(poke);
@@ -203,26 +215,15 @@ export const commands: ChatCommands = {
 				if (!flag) continue;
 				stones.push(getMegaStone(flag, sep[1]));
 			}
-			if (!stones.length) return this.errorReply(`Error: Mega Evolution not found.`);
+			if (!stones.length) throw new Chat.ErrorMessage(`Error: Mega Evolution not found.`);
 		}
 		const toDisplay = (stones.length ? stones : [stone]);
-		const ruleTable = Dex.getRuleTable(Dex.getFormat('gen8mixandmega'));
 		for (const aStone of toDisplay) {
 			if (!aStone) return;
-			if (ruleTable.isBanned(`${aStone.name === 'Dragon Ascent' ? 'move' : 'item'}:${aStone.name}`)) {
-				this.errorReply(`Warning: ${aStone.name} is banned from Mix and Mega.`);
-			}
-			if (aStone.name === 'Dragon Ascent') {
-				this.errorReply(`Warning: Only Pokemon with access to Dragon Ascent can mega evolve with Mega Rayquaza's traits.`);
-			}
-			// Fake Mega Stones
-			if (aStone.isNonstandard === 'CAP') {
-				this.errorReply(`Warning: ${aStone.name} is a fake mega stone created by the CAP Project and is restricted to the CAP ${aStone.megaEvolves}.`);
-			}
 			let baseSpecies = dex.getSpecies(aStone.megaEvolves);
 			let megaSpecies = dex.getSpecies(aStone.megaStone);
 			if (dex.gen >= 8 && ['redorb', 'blueorb'].includes(aStone.id)) {
-				return this.errorReply("The Orbs do not exist in Gen 8 and later.");
+				throw new Chat.ErrorMessage("The Orbs do not exist in Gen 8 and later.");
 			}
 			if (aStone.id === 'redorb') { // Orbs do not have 'Item.megaStone' or 'Item.megaEvolves' properties.
 				megaSpecies = dex.getSpecies("Groudon-Primal");
@@ -294,13 +295,13 @@ export const commands: ChatCommands = {
 			this.sendReply(`|raw|<font size="1"><font color="#686868">Gen:</font> ${details["Gen"]}&nbsp;|&ThickSpace;<font color="#686868">Weight:</font> ${details["Weight"]}</font>`);
 		}
 	},
-	stonehelp: [`/stone <mega stone>[, generation] - Shows the changes that a mega stone/orb applies to a Pokemon.`],
+	stonehelp: [`/stone <mega stone>[, generation] - Shows the changes that a mega stone/orb applies to a Pok\u00e9mon.`],
 
 	350: '350cup',
 	'350cup'(target, room, user) {
-		if (!this.runBroadcast()) return;
 		const args = target.split(',');
 		if (!toID(args[0])) return this.parse('/help 350cup');
+		this.runBroadcast();
 		let dex = Dex;
 		if (args[1] && toID(args[1]) in Dex.dexes) {
 			dex = Dex.dexes[toID(args[1])];
@@ -312,7 +313,7 @@ export const commands: ChatCommands = {
 		if (!species.exists || species.gen > dex.gen) {
 			const monName = species.gen > dex.gen ? species.name : args[0].trim();
 			const additionalReason = species.gen > dex.gen ? ` in Generation ${dex.gen}` : ``;
-			return this.errorReply(`Error: Pok\u00e9mon '${monName}' not found${additionalReason}.`);
+			throw new Chat.ErrorMessage(`Error: Pok\u00e9mon '${monName}' not found${additionalReason}.`);
 		}
 		const bst = species.bst;
 		species.bst = 0;
@@ -337,9 +338,9 @@ export const commands: ChatCommands = {
 	ts7: 'tiershift',
 	ts8: 'tiershift',
 	tiershift(target, room, user, connection, cmd) {
-		if (!this.runBroadcast()) return;
 		const args = target.split(',');
 		if (!toID(args[0])) return this.parse('/help tiershift');
+		this.runBroadcast();
 		const targetGen = parseInt(cmd[cmd.length - 1]);
 		if (targetGen && !args[1]) args[1] = `gen${targetGen}`;
 		let dex = Dex;
@@ -353,7 +354,7 @@ export const commands: ChatCommands = {
 		if (!species.exists || species.gen > dex.gen) {
 			const monName = species.gen > dex.gen ? species.name : args[0].trim();
 			const additionalReason = species.gen > dex.gen ? ` in Generation ${dex.gen}` : ``;
-			return this.errorReply(`Error: Pok\u00e9mon '${monName}' not found${additionalReason}.`);
+			throw new Chat.ErrorMessage(`Error: Pok\u00e9mon '${monName}' not found${additionalReason}.`);
 		}
 		const boosts: {[tier in TierShiftTiers]: number} = {
 			UU: 10,
@@ -382,7 +383,7 @@ export const commands: ChatCommands = {
 	},
 	tiershifthelp: [
 		`/ts OR /tiershift <pokemon>[, generation] - Shows the base stats that a Pok\u00e9mon would have in Tier Shift.`,
-		`Alternatively, you can use /ts[gen number] to see a Pokemon's stats in that generation.`,
+		`Alternatively, you can use /ts[gen number] to see a Pok\u00e9mon's stats in that generation.`,
 	],
 
 	scale: 'scalemons',
@@ -395,9 +396,9 @@ export const commands: ChatCommands = {
 	scale7: 'scalemons',
 	scale8: 'scalemons',
 	scalemons(target, room, user, connection, cmd) {
-		if (!this.runBroadcast()) return;
 		const args = target.split(',');
 		if (!args.length || !toID(args[0])) return this.parse(`/help scalemons`);
+		this.runBroadcast();
 		const targetGen = parseInt(cmd[cmd.length - 1]);
 		if (targetGen && !args[1]) args[1] = `gen${targetGen}`;
 		let dex = Dex;
@@ -411,7 +412,7 @@ export const commands: ChatCommands = {
 		if (!species.exists || species.gen > dex.gen) {
 			const monName = species.gen > dex.gen ? species.name : args[0].trim();
 			const additionalReason = species.gen > dex.gen ? ` in Generation ${dex.gen}` : ``;
-			return this.errorReply(`Error: Pok\u00e9mon '${monName}' not found${additionalReason}.`);
+			throw new Chat.ErrorMessage(`Error: Pok\u00e9mon '${monName}' not found${additionalReason}.`);
 		}
 		const bstNoHP = species.bst - species.baseStats.hp;
 		const scale = (dex.gen !== 1 ? 600 : 500) - species.baseStats['hp'];
@@ -427,7 +428,7 @@ export const commands: ChatCommands = {
 	},
 	scalemonshelp: [
 		`/scale OR /scalemons <pokemon>[, gen] - Shows the base stats that a Pok\u00e9mon would have in Scalemons.`,
-		`Alternatively, you can use /scale[gen number] to see a Pokemon's scaled stats in that generation.`,
+		`Alternatively, you can use /scale[gen number] to see a Pok\u00e9mon's scaled stats in that generation.`,
 	],
 
 	flip: 'flipped',
@@ -440,9 +441,9 @@ export const commands: ChatCommands = {
 	flip7: 'flipped',
 	flip8: 'flipped',
 	flipped(target, room, user, connection, cmd) {
-		if (!this.runBroadcast()) return;
 		const args = target.split(',');
 		if (!args[0]) return this.parse(`/help flipped`);
+		this.runBroadcast();
 		const mon = args[0];
 		let mod = args[1];
 		const targetGen = parseInt(cmd[cmd.length - 1]);
@@ -457,7 +458,7 @@ export const commands: ChatCommands = {
 		if (!species.exists || species.gen > dex.gen) {
 			const monName = species.gen > dex.gen ? species.name : mon.trim();
 			const additionalReason = species.gen > dex.gen ? ` in Generation ${dex.gen}` : ``;
-			return this.errorReply(`Error: Pok\u00e9mon '${monName}' not found${additionalReason}.`);
+			throw new Chat.ErrorMessage(`Error: Pok\u00e9mon '${monName}' not found${additionalReason}.`);
 		}
 		if (dex.gen === 1) {
 			const flippedStats: {[k: string]: number} = {
@@ -481,8 +482,8 @@ export const commands: ChatCommands = {
 		this.sendReply(`|raw|${Chat.getDataPokemonHTML(species, dex.gen)}`);
 	},
 	flippedhelp: [
-		`/flip OR /flipped <pokemon>[, gen] - Shows the base stats that a Pokemon would have in Flipped.`,
-		`Alternatively, you can use /flip[gen number] to see a Pokemon's stats in that generation.`,
+		`/flip OR /flipped <pokemon>[, gen] - Shows the base stats that a Pok\u00e9mon would have in Flipped.`,
+		`Alternatively, you can use /flip[gen number] to see a Pok\u00e9mon's stats in that generation.`,
 	],
 
 	ns: 'natureswap',
@@ -493,7 +494,6 @@ export const commands: ChatCommands = {
 	ns7: 'natureswap',
 	ns8: 'natureswap',
 	natureswap(target, room, user, connection, cmd) {
-		if (!this.runBroadcast()) return;
 		const args = target.split(',');
 		const nature = args[0];
 		const pokemon = args[1];
@@ -507,14 +507,15 @@ export const commands: ChatCommands = {
 			dex = Dex.mod(format.mod);
 		}
 		if (!toID(nature) || !toID(pokemon)) return this.parse(`/help natureswap`);
+		this.runBroadcast();
 		const natureObj = dex.getNature(nature);
-		if (dex.gen < 3) return this.errorReply(`Error: Natures don't exist prior to Generation 3.`);
-		if (!natureObj.exists) return this.errorReply(`Error: Nature ${nature} not found.`);
+		if (dex.gen < 3) throw new Chat.ErrorMessage(`Error: Natures don't exist prior to Generation 3.`);
+		if (!natureObj.exists) throw new Chat.ErrorMessage(`Error: Nature ${nature} not found.`);
 		const species = Utils.deepClone(dex.getSpecies(pokemon));
 		if (!species.exists || species.gen > dex.gen) {
 			const monName = species.gen > dex.gen ? species.name : args[0].trim();
 			const additionalReason = species.gen > dex.gen ? ` in Generation ${dex.gen}` : ``;
-			return this.errorReply(`Error: Pok\u00e9mon '${monName}' not found${additionalReason}.`);
+			throw new Chat.ErrorMessage(`Error: Pok\u00e9mon '${monName}' not found${additionalReason}.`);
 		}
 		if (natureObj.minus && natureObj.plus) {
 			const swap = species.baseStats[natureObj.minus];
@@ -525,8 +526,8 @@ export const commands: ChatCommands = {
 		this.sendReply(`|raw|${Chat.getDataPokemonHTML(species, dex.gen)}`);
 	},
 	natureswaphelp: [
-		`/ns OR /natureswap <nature>, <pokemon>[, gen] - Shows the base stats that a Pokemon would have in Nature Swap.`,
-		`Alternatively, you can use /ns[gen number] to see a Pokemon's stats in that generation.`,
+		`/ns OR /natureswap <nature>, <pokemon>[, gen] - Shows the base stats that a Pok\u00e9mon would have in Nature Swap.`,
+		`Alternatively, you can use /ns[gen number] to see a Pok\u00e9mon's stats in that generation.`,
 	],
 
 	ce: 'crossevolve',
@@ -539,11 +540,11 @@ export const commands: ChatCommands = {
 		const species = Dex.getSpecies(pokes[0]);
 		const crossSpecies = Dex.getSpecies(pokes[1]);
 
-		if (!species.exists) return this.errorReply(`Error: Pokemon '${pokes[0]}' not found.`);
-		if (!crossSpecies.exists) return this.errorReply(`Error: Pokemon '${pokes[1]}' not found.`);
+		if (!species.exists) throw new Chat.ErrorMessage(`Error: Pok\u00e9mon '${pokes[0]}' not found.`);
+		if (!crossSpecies.exists) throw new Chat.ErrorMessage(`Error: Pok\u00e9mon '${pokes[1]}' not found.`);
 
-		if (!species.evos.length) return this.errorReply(`Error: ${species.name} does not evolve.`);
-		if (!crossSpecies.prevo) return this.errorReply(`Error: ${crossSpecies.name} does not have a prevolution.`);
+		if (!species.evos.length) throw new Chat.ErrorMessage(`Error: ${species.name} does not evolve.`);
+		if (!crossSpecies.prevo) throw new Chat.ErrorMessage(`Error: ${crossSpecies.name} does not have a prevolution.`);
 
 		let setStage = 1;
 		let crossStage = 1;
@@ -561,7 +562,7 @@ export const commands: ChatCommands = {
 			}
 		}
 		if (setStage + 1 !== crossStage) {
-			return this.errorReply(`Error: Cross evolution must follow evolutionary stages. (${species.name} is Stage ${setStage} and can only cross evolve to Stage ${setStage + 1})`);
+			throw new Chat.ErrorMessage(`Error: Cross evolution must follow evolutionary stages. (${species.name} is Stage ${setStage} and can only cross evolve to Stage ${setStage + 1})`);
 		}
 		const mixedSpecies = Utils.deepClone(species);
 		mixedSpecies.abilities = Utils.deepClone(crossSpecies.abilities);
@@ -613,7 +614,7 @@ export const commands: ChatCommands = {
 		}).join("&nbsp;|&ThickSpace;") + '</font>');
 	},
 	crossevolvehelp: [
-		"/crossevo <base pokemon>, <evolved pokemon> - Shows the type and stats for the Cross Evolved Pokemon.",
+		"/crossevo <base pokemon>, <evolved pokemon> - Shows the type and stats for the Cross Evolved Pok\u00e9mon.",
 	],
 
 	showevo(target, user, room) {
@@ -622,14 +623,10 @@ export const commands: ChatCommands = {
 		if (!targetid) return this.parse('/help showevo');
 		const evo = Dex.getSpecies(target);
 		if (!evo.exists) {
-			return this.errorReply(`Error: Pok\u00e9mon ${target} not found.`);
+			throw new Chat.ErrorMessage(`Error: Pok\u00e9mon ${target} not found.`);
 		}
 		if (!evo.prevo) {
-			return this.errorReply(`Error: ${evo.name} is not an evolution.`);
-		}
-		// Fake Pokemon
-		if (evo.isNonstandard === 'CAP') {
-			this.errorReply(`Warning: ${evo.name} is a fake Pok\u00e9mon created by the CAP Project and is restricted to CAP.`);
+			throw new Chat.ErrorMessage(`Error: ${evo.name} is not an evolution.`);
 		}
 		const prevoSpecies = Dex.getSpecies(evo.prevo);
 		const deltas = Utils.deepClone(evo);
diff --git a/server/chat.ts b/server/chat.ts
index a7d8b6fcbd..75aa1f23aa 100644
--- a/server/chat.ts
+++ b/server/chat.ts
@@ -492,9 +492,11 @@ export class CommandContext extends MessageContext {
 		} catch (err) {
 			if (err.name?.endsWith('ErrorMessage')) {
 				this.errorReply(err.message);
+				this.update();
 				return false;
 			}
 			if (err.name.endsWith('Interruption')) {
+				this.update();
 				return;
 			}
 			Monitor.crashlog(err, 'A chat command', {