diff --git a/constants/map_constants.asm b/constants/map_constants.asm
index ff5836c..1ef29b3 100644
--- a/constants/map_constants.asm
+++ b/constants/map_constants.asm
@@ -700,6 +700,7 @@ ENDM
 	newgroup SUNGLOW_CITY                                        ; 40
 	map_const ROUTE_57,                                   10, 27 ; 1
 	map_const SUNGLOW_CITY,                                10, 9 ; 2
+	map_const SUNGLOW_WELL,                                10, 9 ; 2
 	endgroup
 	
 	newgroup BLUE_FOREST                                          ; 41
diff --git a/data/maps/attributes.asm b/data/maps/attributes.asm
index 864f502..5d097ce 100644
--- a/data/maps/attributes.asm
+++ b/data/maps/attributes.asm
@@ -926,6 +926,8 @@ ENDM
 
 	map_attributes SunglowCity, SUNGLOW_CITY, $03, SOUTH ; this is missing a route connection
 	connection south, Route57, ROUTE_57, 0
+	
+	map_attributes SunglowWell, SUNGLOW_WELL, $03, SOUTH ; this is missing a route connection
 
 	map_attributes BlueForest, BLUE_FOREST, $00, 0 ; this is on its own for now. add connections later.
 	
diff --git a/data/maps/blocks.asm b/data/maps/blocks.asm
index 792e764..8490a4e 100644
--- a/data/maps/blocks.asm
+++ b/data/maps/blocks.asm
@@ -1342,6 +1342,9 @@ Route57_Blocks:
 SunglowCity_Blocks:
 	INCBIN "maps/SunglowCity.ablk"
 	
+SunglowWell_Blocks:
+	INCBIN "maps/SunglowWell.ablk"
+	
 AventurineCity_Blocks:
 	INCBIN "maps/AventurineCity.ablk"
 
diff --git a/data/maps/maps.asm b/data/maps/maps.asm
index 8ad4194..951682a 100644
--- a/data/maps/maps.asm
+++ b/data/maps/maps.asm
@@ -769,6 +769,7 @@ MapGroup_SunglowCity:
 	table_width MAP_LENGTH, MapGroup_SunglowCity
 	map Route57, TILESET_NIHON_BIRDON, ROUTE, LANDMARK_ROUTE_57, MUSIC_MOBILE_ADAPTER_MENU, FALSE, PALETTE_AUTO, FISHGROUP_SHORE
 	map SunglowCity, TILESET_NIHON_BIRDON, TOWN, LANDMARK_SUNGLOW_CITY, MUSIC_MOBILE_ADAPTER_MENU, FALSE, PALETTE_AUTO, FISHGROUP_SHORE
+	map SunglowWell, TILESET_UNDERWATER, ROUTE, LANDMARK_SUNGLOW_CITY, MUSIC_MOBILE_ADAPTER, FALSE, PALETTE_AUTO, FISHGROUP_SHORE
 	assert_table_length NUM_SUNGLOW_CITY_MAPS
 
 MapGroup_BlueForest:
diff --git a/data/maps/scripts.asm b/data/maps/scripts.asm
index 6d535a7..78a49df 100644
--- a/data/maps/scripts.asm
+++ b/data/maps/scripts.asm
@@ -655,4 +655,5 @@ INCLUDE "maps/Route52.asm"
 INCLUDE "maps/RuddyTown.asm"
 INCLUDE "maps/Route57.asm"
 INCLUDE "maps/SunglowCity.asm"
-INCLUDE "maps/AventurineCity.asm"
\ No newline at end of file
+INCLUDE "maps/AventurineCity.asm"
+INCLUDE "maps/SunglowWell.asm"
\ No newline at end of file
diff --git a/data/moves/animations.asm b/data/moves/animations.asm
index 5448e16..1918087 100644
--- a/data/moves/animations.asm
+++ b/data/moves/animations.asm
@@ -5060,12 +5060,12 @@ BattleAnim_WaterSport:
 	anim_2gfx ANIM_GFX_SAND, ANIM_GFX_WATER
 	anim_if_param_equal $0, .hit
 	anim_if_param_equal $2, .fail
-	anim_call BattleAnim_FollowPlayerHead_0
+	anim_call BattleAnim_TargetObj_2Row
 	anim_bgeffect ANIM_BG_DIG, $0, $1, $1
-	anim_obj ANIM_OBJ_DIVE_2, 72, 104, $0
+	anim_obj ANIM_OBJ_WATER_SPORT_2, 72, 104, $0
 	anim_sound 0, 0, SFX_BUBBLEBEAM
 .loop
-	anim_obj ANIM_OBJ_DIVE_1, 56, 104, $0
+	anim_obj ANIM_OBJ_WATER_SPORT_1, 56, 104, $0
 	anim_wait 16
 	anim_loop 6, .loop
 	anim_wait 32
@@ -5075,7 +5075,7 @@ BattleAnim_WaterSport:
 	anim_call BattleAnim_ShowMon_0
 	anim_ret
 .hit
-	anim_bgeffect ANIM_BG_30, $0, $0, $0
+	anim_bgeffect ANIM_BG_SHAKE_SCREEN_X, $0, $0, $0
 	anim_sound 0, 1, SFX_HYDRO_PUMP
 	anim_obj ANIM_OBJ_HYDRO_PUMP, 124, 72, $0
 	anim_obj ANIM_OBJ_HYDRO_PUMP, 140, 72, $0
diff --git a/data/tilesets/nihon_birdon_attributes.bin b/data/tilesets/nihon_birdon_attributes.bin
index eff6609..11bd571 100644
Binary files a/data/tilesets/nihon_birdon_attributes.bin and b/data/tilesets/nihon_birdon_attributes.bin differ
diff --git a/data/tilesets/nihon_birdon_collision.asm b/data/tilesets/nihon_birdon_collision.asm
index a7bd552..874d272 100644
--- a/data/tilesets/nihon_birdon_collision.asm
+++ b/data/tilesets/nihon_birdon_collision.asm
@@ -34,11 +34,11 @@
 	tilecoll WALL, WALL, DOOR, WALL ; 21
 	tilecoll WALL, WALL, WALL, WALL ; 22
 	tilecoll WALL, WALL, WALL, WALL ; 23
-	tilecoll WALL, WALL, WALL, WALL ; 24
+	tilecoll WALL, WALL, WALL, DIVE_DOWN ; 24
 	tilecoll WALL, WALL, WALL, WALL ; 25
 	tilecoll WALL, DOOR, FLOOR, FLOOR ; 26
 	tilecoll WALL, WALL, FLOOR, FLOOR ; 27
-	tilecoll WALL, WALL, FLOOR, FLOOR ; 28
+	tilecoll WALL, FLOOR, FLOOR, FLOOR ; 28
 	tilecoll WALL, WALL, FLOOR, FLOOR ; 29
 	tilecoll WALL, WALL, WALL, WALL ; 2a
 	tilecoll WALL, WALL, WALL, WALL ; 2b
diff --git a/data/tilesets/nihon_birdon_metatiles.bin b/data/tilesets/nihon_birdon_metatiles.bin
index 7b12316..c11090c 100644
Binary files a/data/tilesets/nihon_birdon_metatiles.bin and b/data/tilesets/nihon_birdon_metatiles.bin differ
diff --git a/data/tilesets/underwater_attributes.bin b/data/tilesets/underwater_attributes.bin
index e69de29..b3a3a6e 100644
Binary files a/data/tilesets/underwater_attributes.bin and b/data/tilesets/underwater_attributes.bin differ
diff --git a/data/tilesets/underwater_collision.asm b/data/tilesets/underwater_collision.asm
index e69de29..ee623ca 100644
--- a/data/tilesets/underwater_collision.asm
+++ b/data/tilesets/underwater_collision.asm
@@ -0,0 +1,32 @@
+	tilecoll WALL, WALL, WALL, WALL ; 00
+	tilecoll FLOOR, FLOOR, FLOOR, FLOOR ; 01
+	tilecoll WALL, WALL, WALL, WALL ; 02
+	tilecoll WALL, WALL, WALL, WALL ; 03
+	tilecoll DIVE_UP, DIVE_UP, DIVE_UP, DIVE_UP ; 04
+	tilecoll WALL, WALL, WALL, WALL ; 05
+	tilecoll WALL, WALL, WALL, WALL ; 06
+	tilecoll WALL, WALL, WALL, WALL ; 07
+	tilecoll FLOOR, FLOOR, FLOOR, DIVE_UP ; 08
+	tilecoll WALL, WALL, WALL, WALL ; 09
+	tilecoll WALL, WALL, WALL, WALL ; 0a
+	tilecoll WALL, WALL, WALL, WALL ; 0b
+	tilecoll FLOOR, FLOOR, FLOOR, FLOOR ; 0c
+	tilecoll WALL, WALL, WALL, WALL ; 0d
+	tilecoll WALL, WALL, WALL, WALL ; 0e
+	tilecoll WALL, WALL, WALL, WALL ; 0f
+	tilecoll FLOOR, FLOOR, FLOOR, FLOOR ; 10
+	tilecoll FLOOR, FLOOR, FLOOR, FLOOR ; 11
+	tilecoll FLOOR, FLOOR, FLOOR, FLOOR ; 12
+	tilecoll TALL_GRASS, TALL_GRASS, TALL_GRASS, TALL_GRASS ; 13
+	tilecoll FLOOR, FLOOR, FLOOR, FLOOR ; 14
+	tilecoll FLOOR, FLOOR, FLOOR, FLOOR ; 15
+	tilecoll FLOOR, FLOOR, FLOOR, FLOOR ; 16
+	tilecoll FLOOR, FLOOR, FLOOR, FLOOR ; 17
+	tilecoll FLOOR, FLOOR, FLOOR, FLOOR ; 18
+	tilecoll FLOOR, FLOOR, FLOOR, FLOOR ; 19
+	tilecoll FLOOR, FLOOR, FLOOR, FLOOR ; 1a
+	tilecoll WALL, WALL, WALL, WALL ; 1b
+	tilecoll WALL, WALL, WALL, WALL ; 1c
+	tilecoll WALL, WALL, WALL, WALL ; 1d
+	tilecoll WALL, WALL, WALL, WALL ; 1e
+	tilecoll WALL, WALL, WALL, WALL ; 1f
diff --git a/data/tilesets/underwater_metatiles.bin b/data/tilesets/underwater_metatiles.bin
index e69de29..3bd5329 100644
Binary files a/data/tilesets/underwater_metatiles.bin and b/data/tilesets/underwater_metatiles.bin differ
diff --git a/engine/battle/effect_commands.asm b/engine/battle/effect_commands.asm
index 570d664..eef790f 100644
--- a/engine/battle/effect_commands.asm
+++ b/engine/battle/effect_commands.asm
@@ -6121,7 +6121,13 @@ BattleCommand_DoubleUndergroundDamage:
 	call GetBattleVar
 	bit SUBSTATUS_UNDERGROUND, a
 	ret z
+	jr DoubleDamage
 
+BattleCommand_DoubleUnderwaterDamage:
+; doubleunderwaterdamage
+	ld a, BATTLE_VARS_SUBSTATUS4_OPP
+	call GetBattleVar
+	bit SUBSTATUS_UNDERWATER, a
 	; fallthrough
 
 DoubleDamage:
@@ -6136,6 +6142,10 @@ DoubleDamage:
 	ld [hl], a
 .quit
 	ret
+	
+BattleCommand_Unused3C:
+BattleCommand_Unused5D:	; Just stuffing these here for now because I'm unsure of if I can just axe them from the effect command pointers?? Probably can but :V
+	ret
 
 INCLUDE "engine/battle/move_effects/mimic.asm"
 
diff --git a/engine/events/overworld.asm b/engine/events/overworld.asm
index 795466e..2985906 100644
--- a/engine/events/overworld.asm
+++ b/engine/events/overworld.asm
@@ -2115,7 +2115,7 @@ WaterSportFunction:
 
 .FailWaterSport:
 	ld hl, CantWaterSportText
-	call MenuTextBoxBackup
+	call MenuTextboxBackup
 	ld a, $80
 	ret
 
@@ -2176,7 +2176,7 @@ CanWaterSportText:
 
 AskWaterSportScript:
 	opentext
-	copybytetovar wPlayerStandingTile
+	copybytetovar wPlayerTile
 	ifequal COLL_DIVE_UP, .up
 	writetext AskWaterSportDownText
 	jump .continue
diff --git a/engine/tilesets/tileset_anims.asm b/engine/tilesets/tileset_anims.asm
index 296eb45..e8fb4ff 100644
--- a/engine/tilesets/tileset_anims.asm
+++ b/engine/tilesets/tileset_anims.asm
@@ -78,7 +78,7 @@ TilesetForestAnim:
 
 TilesetJohtoAnim:
 	dw vTiles2 tile $14, AnimateWaterTile
-	dw NULL,  WaitTileAnimation
+	dw vTiles2 tile $5b, AnimateDeepWaterTile
 	dw NULL,  WaitTileAnimation
 	dw NULL,  AnimateWaterPalette
 	dw NULL,  WaitTileAnimation
@@ -237,7 +237,6 @@ TilesetTowerAnim:
 	dw NULL,  DoneTileAnimation
 
 TilesetNihon1Anim:
-TilesetNihonBirdonAnim:
 TilesetNihonFontAnim:
 TilesetNihonHighTechAnim:
 TilesetNihonOldAnim:
@@ -255,6 +254,19 @@ TilesetNihonWhiteCityAnim:
 	dw NULL,  WaitTileAnimation
 	dw NULL,  StandingTileFrame8
 	dw NULL,  DoneTileAnimation
+
+TilesetNihonBirdonAnim:
+	dw vTiles2 tile $14, AnimateWaterTile
+	dw NULL,  WaitTileAnimation
+	dw vTiles2 tile $60, AnimateDeepWaterTile
+	dw NULL,  WaitTileAnimation
+	dw NULL,  AnimateWaterPalette
+	dw NULL,  WaitTileAnimation
+	dw NULL,  AnimateFlowerTile
+	dw NULL,  WaitTileAnimation
+	dw NULL,  WaitTileAnimation
+	dw NULL,  StandingTileFrame8
+	dw NULL,  DoneTileAnimation
 	
 TilesetForestKantoAnim:
 	dw NULL,  WaitTileAnimation
diff --git a/engine/tilesets/tileset_palettes.asm b/engine/tilesets/tileset_palettes.asm
index f3d028a..e7410e4 100644
--- a/engine/tilesets/tileset_palettes.asm
+++ b/engine/tilesets/tileset_palettes.asm
@@ -78,6 +78,11 @@ LoadSpecialMapPalette:
 	scf
 	ret
 	
+.underwater
+	call LoadUnderwaterPalette
+	scf
+	ret
+
 .do_nothing
 	and a
 	ret
@@ -228,6 +233,38 @@ LoadDesertPalette:
 	ret
 	
 INCLUDE "gfx/tilesets/desert.pal"
+	
+LoadUnderwaterPalette:
+	ld a, [wTimeOfDay]
+	and $7
+	cp NITE_F
+	jr z, .nite
+	cp DAY_F
+	jr z, .day
+	scf
+;morn
+	ld a, BANK(wBGPals1)
+	ld de, wBGPals1
+	ld hl, UnderwaterMornPalette
+	ld bc, 8 palettes
+	jp FarCopyWRAM
+	ret
+.day
+	ld a, BANK(wBGPals1)
+	ld de, wBGPals1
+	ld hl, UnderwaterDayPalette
+	ld bc, 8 palettes
+	jp FarCopyWRAM
+	ret
+.nite
+	ld a, BANK(wBGPals1)
+	ld de, wBGPals1
+	ld hl, UnderwaterNitePalette
+	ld bc, 8 palettes
+	jp FarCopyWRAM
+	ret
+	
+INCLUDE "gfx/tilesets/underwater.pal"
 
 
 LoadSpecialMapObjectPalette:
diff --git a/gfx/tilesets/nihon_birdon.png b/gfx/tilesets/nihon_birdon.png
index 4074ac8..6f2a98d 100644
Binary files a/gfx/tilesets/nihon_birdon.png and b/gfx/tilesets/nihon_birdon.png differ
diff --git a/gfx/tilesets/underwater.pal b/gfx/tilesets/underwater.pal
new file mode 100644
index 0000000..aa5a0a3
--- /dev/null
+++ b/gfx/tilesets/underwater.pal
@@ -0,0 +1,30 @@
+UnderwaterMornPalette:
+	RGB 31,31,07, 19,18,23, 13,10,13, 03,07,10 ; gray
+	RGB 31,31,07, 25,16,16, 22,06,14, 03,07,10 ; red
+	RGB 19,18,23, 09,18,12, 05,11,05, 03,07,10 ; green
+	RGB 31,31,07, 13,17,31, 05,10,27, 03,07,10 ; water (just blue)
+	RGB 31,31,07, 12,24,11, 18,13,05, 03,07,10 ; yellow
+	RGB 31,31,07, 19,17,12, 14,08,11, 03,07,10 ; brown
+	RGB 31,31,07, 15,31,31, 05,17,31, 03,07,10 ; roof
+	RGB 31,31,16, 31,31,16, 14,09,00, 00,00,00 ; text
+
+UnderwaterDayPalette:
+	RGB 18,28,27, 19,18,23, 13,10,13, 03,07,10 ; gray
+	RGB 18,28,27, 25,16,16, 22,06,14, 03,07,10 ; red
+	RGB 19,18,23, 09,18,12, 05,11,05, 03,07,10 ; green
+	RGB 18,28,27, 13,17,31, 05,10,27, 03,07,10 ; water (just blue)
+	RGB 18,28,27, 12,24,11, 18,13,05, 03,07,10 ; yellow
+	RGB 18,28,27, 19,17,12, 14,08,11, 03,07,10 ; brown
+	RGB 18,28,27, 15,31,31, 05,17,31, 03,07,10 ; roof
+	RGB 31,31,16, 31,31,16, 14,09,00, 00,00,00 ; text
+
+UnderwaterNitePalette:
+	RGB 12,14,22, 10,10,13, 03,07,10, 00,00,00 ; gray
+	RGB 12,14,22, 14,06,14, 03,07,10, 00,00,00 ; red
+	RGB 10,10,13, 05,11,05, 03,07,10, 00,00,00 ; green
+	RGB 12,14,22, 05,10,22, 03,07,10, 00,00,00 ; water (just blue)
+	RGB 12,14,22, 13,13,05, 03,07,10, 00,00,00 ; yellow
+	RGB 12,14,22, 14,08,11, 03,07,10, 00,00,00 ; brown
+	RGB 12,14,22, 10,12,15, 03,07,10, 00,00,00 ; roof
+	RGB 31,31,16, 31,31,16, 14,09,00, 00,00,00 ; text
+	
\ No newline at end of file
diff --git a/gfx/tilesets/underwater.png b/gfx/tilesets/underwater.png
index a8278a6..bd8cb2f 100644
Binary files a/gfx/tilesets/underwater.png and b/gfx/tilesets/underwater.png differ
diff --git a/maps/DebugRoom.asm b/maps/DebugRoom.asm
index 03e5f74..f8a404b 100644
--- a/maps/DebugRoom.asm
+++ b/maps/DebugRoom.asm
@@ -8,12 +8,12 @@ DebugRoom_MapScripts:
 
 DebugPokemon1Script:
 	opentext
-	getmonname STRING_BUFFER_3, MACHAMP
+	getmonname STRING_BUFFER_3, AZUMARILL
 	writetext ReceivedDebugPokemonText
 	playsound SFX_CAUGHT_MON
 	waitsfx
 	promptbutton
-	givepoke MACHAMP, 65, TM_ROCK_SMASH
+	givepoke AZUMARILL, 4, HM_WATER_SPORT
 	closetext
 	end
 
diff --git a/maps/SunglowCity.asm b/maps/SunglowCity.asm
index 51180ee..021e890 100644
--- a/maps/SunglowCity.asm
+++ b/maps/SunglowCity.asm
@@ -5,11 +5,16 @@ SunglowCity_MapScripts:
 
 	def_callbacks
 	callback MAPCALLBACK_NEWMAP, .Flypoint
+	callback MAPCALLBACK_NEWMAP, .DiveMap
 
 .Flypoint:
 	setflag ENGINE_FLYPOINT_SUNGLOW_CITY
 	return
 
+.DiveMap:
+    divemap SUNGLOW_WELL
+    return
+
 SunglowCity_MapEvents:
 	db 0, 0 ; filler
 
diff --git a/maps/SunglowWell.ablk b/maps/SunglowWell.ablk
new file mode 100644
index 0000000..60a77d5
--- /dev/null
+++ b/maps/SunglowWell.ablk
@@ -0,0 +1,9 @@
+
+
+
+
+
+
+
	
	

	


	

	


	
+	
+
\ No newline at end of file
diff --git a/maps/SunglowWell.asm b/maps/SunglowWell.asm
new file mode 100644
index 0000000..7c3946c
--- /dev/null
+++ b/maps/SunglowWell.asm
@@ -0,0 +1,18 @@
+	object_const_def
+
+SunglowWell_MapScripts:
+	def_scene_scripts
+
+	def_callbacks
+
+SunglowWell_MapEvents:
+	db 0, 0 ; filler
+
+	def_warp_events
+	
+	def_coord_events
+
+	def_bg_events
+
+	def_object_events
+