Value:Battle Backgrounds (GBA)

Dependant by the skill Gaia, which comes from the Geomancer. Each type of terrain used in the background may have the chance to cast up to four different magic.

#	ID	Background	Screenshot	Terrain
0	00	Overworld Grasslands (Day)		Spell 1: Gust Spell 2: Earthquake Spell 3: Wind Slash Spell 4: Twister
1	01	Overworld Forest		Spell 1: Branch Arrow Spell 2: Leaf Swirl Spell 3: Branch Spear Spell 4: Bindweed
2	02	Overworld Desert		Spell 1: Sandstorm Spell 2: Quicksand Spell 3: Desert Storm Spell 4: Burning Sands
3	03	Overworld Marshlands		Spell 1: Ignus Fatuus Spell 2: Bottomless Bog Spell 3: Poison Mist Spell 4: Bottomless Bog
4	04	Overworld Beach		Spell 1: Tsunami Spell 2: Phantom Spell 3: Whirlpool Spell 4: Big Wave
5	05	Shipwreck Graveyard		Spell 1: Ignus Fatuus Spell 2: Ignus Fatuus Spell 3: Ignus Fatuus Spell 4: Sonic Boom
6	06	Cave		Spell 1: Ignus Fatuus Spell 2: Stalactite Spell 3: Wind Slash Spell 4: Cave-in
7	07	Waterfall Cave		Spell 1: Ignus Fatuus Spell 2: Stalactite Spell 3: Whirlpool Spell 4: Cave-in
8	08	Flying Deck		Spell 1: Wind Slash Spell 2: Wind Slash Spell 3: Sonic Boom Spell 4: Twister
9	09	Architecture Outside		Spell 1: Gust Spell 2: Wind Slash Spell 3: Sonic Boom Spell 4: Twister
10	0A	Semi-overgrown Ruins		Spell 1: Gust Spell 2: Wind Slash Spell 3: Sonic Boom Spell 4: Twister
11	0B	Inhabitated Castle		Spell 1: Gust Spell 2: Wind Slash Spell 3: Sonic Boom Spell 4: Twister
12	0C	Bridge (water)		Spell 1: Gust Spell 2: Wind Slash Spell 3: Twister Spell 4: Twister
13	0D	Library		Spell 1: Ignus Fatuus Spell 2: Ignus Fatuus Spell 3: Ignus Fatuus Spell 4: Sonic Boom
14	0E	Karnak Castle		Spell 1: Gust Spell 2: Sonic Boom Spell 3: Twister Spell 4: Twister
15	0F	Great Forest		Spell 1: Branch Arrow Spell 2: Leaf Swirl Spell 3: Branch Spear Spell 4: Bindweed
16	10	Mountain Slopes		Spell 1: Gust Spell 2: Earthquake Spell 3: Cave-in Spell 4: Twister
17	11	Pyramids		Spell 1: Ignus Fatuus Spell 2: Poison Mist Spell 3: Sonic Boom Spell 4: Cave-in
18	12	Lonka Ruins - Outside		Spell 1: Wind Slash Spell 2: Wind Slash Spell 3: Sonic Boom Spell 4: Twister
19	13	Roots		Spell 1: Branch Arrow Spell 2: Leaf Swirl Spell 3: Branch Spear Spell 4: Bindweed
20	14	Exdeath Castle		Spell 1: Gust Spell 2: Wind Slash Spell 3: Sonic Boom Spell 4: Sonic Boom
21	15	Shipwreck (Day)		Spell 1: Tsunami Spell 2: Whirlpool Spell 3: Big Wave Spell 4: Waterfall
22	16	Inside Fire-Powered Ship		Spell 1: Gust Spell 2: Earthquake Spell 3: Twister Spell 4: Twister
23	17	Crystal Void		Spell 1: Wind Slash Spell 2: Sonic Boom Spell 3: Twister Spell 4: Twister
24	18	Lonka Ruins - Inside		Spell 1: Wind Slash Spell 2: Wind Slash Spell 3: Sonic Boom Spell 4: Twister
25	19	Shipwreck (Dusk)		Spell 1: Tsunami Spell 2: Whirlpool Spell 3: Big Wave Spell 4: Waterfall
26	1A	*Exdeath Castle		Spell 1: Gust Spell 2: Wind Slash Spell 3: Sonic Boom Spell 4: Sonic Boom
27	1B	Phoenix Tower Wall		Spell 1: Wind Slash Spell 2: Twister Spell 3: Sonic Boom Spell 4: Twister
28	1C	Void		Spell 1: Wind Slash Spell 2: Wind Slash Spell 3: Wind Slash Spell 4: Wind Slash
29	1D	Sunken Castle		Spell 1: Tsunami Spell 2: Phantom Spell 3: Whirlpool Spell 4: Big Wave
30	1E	Desert (Sandworm)		Spell 1: Sandstorm Spell 2: Quicksand Spell 3: Desert Storm Spell 4: Burning Sands
31	1F	Distorted Space		Spell 1: Wind Slash Spell 2: Wind Slash Spell 3: Wind Slash Spell 4: Wind Slash
32	20	Bridge (Sky)		Spell 1: Twister Spell 2: Wind Slash Spell 3: Sonic Boom Spell 4: Twister
33	21	Overworld Grasslands (Dusk)		Spell 1: Twister Spell 2: Earthquake Spell 3: Wind Slash Spell 4: Twister

Notes: Background $1A is not used in the game.
Background $0C and $20 are almost identical, but one has a small stripe of water.