diff --git a/include/evolution.h b/include/evolution.h
index a707a03..daedc5c 100644
--- a/include/evolution.h
+++ b/include/evolution.h
@@ -47,7 +47,8 @@ enum EvolutionMethods
 	EVO_CRITICAL_HIT, // successfully land 3 critical hits in one battle
 	EVO_NATURE_HIGH, // evolution based on high key nature at a certain level
 	EVO_NATURE_LOW, // evolution based on low key nature at a certain level
-	EVO_DAMAGE_LOCATION // recieve 49+ damage in battle without fainting, walk to specific tile
+	EVO_DAMAGE_LOCATION, // recieve 49+ damage in battle without fainting, walk to specific tile
+	EVO_ITEM_LOCATION, // Stand on a tile with a certain behaviour and use an item on a Pokemon
 };
 
 #define EVO_GIGANTAMAX 0xFD
@@ -61,5 +62,7 @@ enum MegaEvoVariants
 	MEGA_VARIANT_ULTRA_BURST, //Necrozma
 };
 
+#define MB_SHALLOW_WATER 0x17 //For Alolan Raichu
+
 #define MAPSEC_POWER_PLANT 0x8E
 #define MAPSEC_ICEFALL_CAVE 0xB1
diff --git a/src/Evolution Table.c b/src/Evolution Table.c
index ed3c824..3bfceef 100644
--- a/src/Evolution Table.c	
+++ b/src/Evolution Table.c	
@@ -33,8 +33,8 @@ const struct Evolution gEvolutionTable[NUM_SPECIES][EVOS_PER_MON] =
 	[SPECIES_RATTATA] =          {{EVO_LEVEL, 20, SPECIES_RATICATE, 0}},
 	[SPECIES_SPEAROW] =          {{EVO_LEVEL, 20, SPECIES_FEAROW, 0}},
 	[SPECIES_EKANS] =            {{EVO_LEVEL, 22, SPECIES_ARBOK, 0}},
-	[SPECIES_PIKACHU] =          {{EVO_ITEM, ITEM_THUNDER_STONE, SPECIES_RAICHU, 0},
-								  {EVO_ITEM, ITEM_THUNDER_STONE, SPECIES_RAICHU_A, 0},
+	[SPECIES_PIKACHU] =          {{EVO_ITEM_LOCATION, ITEM_THUNDER_STONE, SPECIES_RAICHU_A, MB_SHALLOW_WATER},
+								  {EVO_ITEM, ITEM_THUNDER_STONE, SPECIES_RAICHU, 0},
 								  {EVO_GIGANTAMAX, TRUE, SPECIES_PIKACHU_GIGA, 0}},
 	[SPECIES_PIKACHU_SURFING] =  {{EVO_GIGANTAMAX, TRUE, SPECIES_PIKACHU_GIGA, 0}},
 	[SPECIES_PIKACHU_FLYING] =   {{EVO_GIGANTAMAX, TRUE, SPECIES_PIKACHU_GIGA, 0}},