List of items and their indexes as used in the inventory data, chest definitions, etc.

Items

Located at offsets 0x70 (indices) and 0xd0 (durability) in the stat struct.

Index	Name	Durability
-1	(empty)	-
0	Earthly Nut	3840 (=> Rotten Nut)
1	Solar Nut	3840 (=> Rotten Nut)
2	Speed Nut	3840 (=> Rotten Nut)
3	Tiptoe Nut	3840 (=> Rotten Nut)
4	Banana	3840 (=> Rotten Nut)
5	Chocolate Banana	3840 (=> Rotten Nut)
6	Bearnut	3840 (=> Rotten Nut)
7	See-All Nut	3840 (=> Rotten Nut)
8	Rotten Nut	3840 (=> Rotten Nut)
9	Redshroom	7680 (=> Bad Mushroom)
10	Blueshroom	7680 (=> Bad Mushroom)
11	Bad Mushroom	-
12	Drop of Sun	3840 (=> Rotten Water)
13	Tomato Juice	7680 (=> Rotten Water)
14	Rotten Water	-
15	Tasty Meat	3840 (=> Rotten Meat)
16	Jerky	-
17	Rotten Meat	-
18	Chocolate	3840 (=> Melted Chocolate, or combines into Chocolate-covered X with item beneath)
19	Melted Chocolate	-
20	Chocolate-covered	-
21	Deluxe Chocolate	-
22	Healer	-
23	Magical Potion	-
24	Antidote	-
25	Elixir	-
26	Sunblock	-
27	Mr. Rainnot	-
28	Tonniar .Rm	-
29	Sunny Clog	-
30	Warp Leaf	-
31	The Fool	-
32	The High Priestess	-
33	The Empress	-
34	The Emperor	-
35	The Lovers	-
36	The Chariot	-
37	Strength	-
38	Wheel Of Fortune	-
39	Justice	-
40	The Hanged Man	-
41	Death	-
42	Temperance	-
43	The Devil	-
44	The Tower	-
45	The Star	-
46	The Moon	-
47	The Sun	-
48	Judgement	-

Key items

Located at offset 0x130 in the stat struct.

Index	Name
-1	(empty)
0	Dark Card
1	PET
2	Spade Emblem
3	Heart Emblem
4	Diamond Emblem
5	Club Emblem
6	Joker Emblem
7	Oak Coffin
8	Bronze Coffin
9	Iron Coffin
10	Silver Coffin
11	Solar Coffin
12	Coffin Monster Elefan
13	Vampire Coffin
14	Iron Maiden
15	Warehouse Key
16	Circle Key
17	Triangle Key
18	Square Key
19	Red Crystal
20	Blue Crystal
21	Green Crystal
22	Yellow Crystal
23	Stone Tablet Piece
24	Tasty Water
25	The Magician
26	The Hierophant
27	The Hermit
28	The World

Protectors

Located at offset 0x150 in the stat struct.

Index	Name	Description
-1	(empty)
0	Cloth Armor	Armor made of cloth.
1	Leather Armor	Armor made of leather.
2	Chain Mail	Armor made of interlaced metal rings.
3	Silver Chain	Silver chain mail. Changes Status.
4	Scale Mail	Leather armor with metal sheeting sewn on.
5	Samurai Armor	Samurai armor. Raises Strength.
6	Blade Mail	Metal plate armor.
7	Brigandine	Leather armor with metal sheeting sewn on. Protects from solar wind.
8	Mail of Sol	Solar armor. Protects from Sol. Station-charge 2x faster.
9	Mail of Darkness	Darkness armor. Protects from Dark.
10	Mail of Luna	Moonlight armor. Protects from all properties.
11	Fire Dragon Fang	Fire charm. Protects from Flame.
12	Water Dragon Tail	Water charm. Protects from Frost.
13	Wind Dragon Wing	Wind charm. Protects from Cloud.
14	Earth Dragon Claw	Earth charm. Protects from Earth.
15	Dragon Scale	Armor made from dragon scales. Protects from the 4 main properties.
16	Fairy Robe	Clothing left behind by a fairy. Doubles effects of Spirit Bugs.
17	Earthly Robe	Maiden's costume. Doubles effect time of Solar Fruit.
18	Raincoat	Rain cloak. Protects from the rain.
19	Garb of Light	Clothing woven with the sun's rays. Doubles value of Solar Gauge.
20	Garb of Darkness	Clothing woven with Dark Matter. Draws out the power of night.
21	Magic Robe	Clothing woven with a magic spell. Decreases cost of magic.
22	Blood-soaked Cape	Cursed overcoat. Changes Status.
23	Skull Suit	Sneaking suit. Makes it hard for enemies to spot you.
24	Training Gear	Clothing that allows heartfelt emotions. Increases potential Ex Points.
25	Thief's Clothes	Clothing stolen by a thief. Causes enemies to drop more normal items than usual.
26	Hunter's Clothes	Clothing favored by a hunter. Causes enemies to drop more rare items than usual.
27	Poison Guard	Armor containing defense magic. Protects from poisoning.
28	Weapon Guard	Armor containing defense magic. Prevents damage to weapons.
29	Parade Armor	Formal armor. Summons the Crimson Monster.
30	Ninja Gi	Ninja costume. Raises Agility.
31	Spike Mail	Armor that protects the wearer through automatic counterattacks.
32	Pitch Black Armor	Berserk armor. Sucks up Life and raises attack power.
33	Mega Power	MegaMan power. Enables charging of MegaBuster.
34	Guts Power	GutsMan power. Reduces sustained damage by half.
35	Proto Power	ProtoMan power. Speeds up attacks.
36	Toad Power	ToadMan power. Energy can be restored in the rain.

Weapons

Located at offset 0x3d0 in the stat struct. Uncharacteristically for save data, weapons are organized into an array of structs (instead of multiple arrays of scalars):

struct weapon {
  i8 index;
  i8 bonus_or_malus;
  i16 durability;
  char forged_by[12]; // TODO: Does this also apply to the Japanese version?
  u32 sp_effects[3];  // TODO: Each value contains more than just the SP effect index!
};

struct stat {
  /* offset 0x3d0 */ weapon weapons[16 /* maybe more? */];
};

Weapon indexes

Index	Name	Level	Base power	Description
0	(empty)
Swords
1	Gradius			Dagger.
2	Short Sword			Small sword.
3	Broadsword			Wide sword.
4	Long Sword			Extended sword.
5	Dull Blade			Blunt sword.
6	Zweihander			Two-hand sword.
7	Flamberge			Flaming sword.
8	Claymore			Large sword.
9	Magic Sword			Mystical sword.
10	Katana			Samurai sword.
11	Bastard Sword			Hand-and-a-half sword.
12	Great Sword			Giant sword.
13	Bushido Sword			Warrior's spirit.
14	Blood Sword			Cursed sword.
15	Muramasa			Japanese blade.
16	Vorpal Sword			Sturdy sword.
17	Solar Sword			Sword of light.
18	Sword of Darkness			Sword of Darkness.
19	Gram			Complete sword.
Spears
20	Short Spear			Hand spear.
21	Glaive			Single-edged spear.
22	Long Spear			Extended spear.
23	Lance			Knight's spear.
24	Quarter Staff			180-cm fighting stick.
25	Corsesca			Wing spear.
26	Fire Paw			Flaming spear.
27	Bardiche			Long-handled battleaxe.
28	Ice Glaive			Water spear.
29	Rune Glaive			Single-edged magical spear.
30	Partizan			Broad spear.
31	Thunder Spear			Wind spear.
32	Blood Spear			Cursed spear.
33	Grand Lance			Earth spear.
34	Rune Spear			Magical spear.
35	Halberd			Hatchet spear.
36	White Queen			Spear of light.
37	Black Queen			Darkness spear.
38	Gungnir			Complete spear.
Hammers
39	Club			Heavy swinging stick.
40	Hammer			Hitting weapon.
41	Mace			Hitting weapon.
42	Flail			Metal ball with chains attached.
43	Pounder			Small hammer.
44	Axe			Hatchet.
45	Maul			Giant wooden mallet.
46	Silver Mace			Silver hitting weapon.
47	Silver Flail			Metal ball with chains attached.
48	Heavy Mace			Giant mace.
49	Battle Axe			Battle hatchet.
50	War Hammer			Battle mace.
51	Bloody Mace			Cursed mace.
52	Morning Star			Star ball with chains.
53	Heavy Axe			Giant battleaxe.
54	Earthshaker			Quake hammer.
55	Daybreak			Hammer of light.
56	Twilight			Hammer of Darkness.
57	Mjollnir			Complete hammer.
Special
58	Broken Solar Gun	??		Memento of Father.
59	Gun Del Sol	??		Solar Gun.
60	Gun Del Hell	??		Dark Gun.
61	Megabuster	??		Certificate of friendship.
62	Star Piece	-	-	Mass of meteoric iron.
63	Astro Sword	??		Star sword.
64	Astro Spear	??		Star spear.
65	Astro Hammer	??		Star hammer.

SP effects

The SP effect index is stored in the bottom 8 bits of each sp_effect value.

Index	Description
0	(no SP effect)
1	Increases attack power based on sunlight.
2	Increases attack power at night.
3	Increases attack power as Life diminishes.
4	Decreases attack power as Life diminishes.
5	Uses Solar Station energy directly for Enchantment Attacks.
6	Uses Solar Station energy directly for Enchantment Attacks.
7	Uses Solar Station energy directly for Enchantment Attacks.
8	Increases attack power based on Vitality.
9	Increases attack power based on Spirit.
10	Increases attack power based on Agility.
11	Increases attack power based on Life.
12	Increases attack power based on Energy.
13	Increases attack power during abnormal status.
14	Increases attack power based on sunlight.
15	Increases attack power at night.
16	Randomly increases damage.
17	Increases damage depending on the number of enemies defeated.
18	Increases damage with the Flame property.
19	Increases damage with the Frost property.
20	Increases damage with the Cloud property.
21	Increases damage with the Earth property.
22	Increases damage to beast monsters.
23	Increases damage to material monsters.
24	Increases damage to phantom monsters.
25	Increases damage to Undead monsters.
26	Increases damage to Immortals.
27	Randomly nullifies defense power.
28	Randomly paralyzes enemies.
29	Defeat an enemy and...
30	Decreases magic cost for Enchantment Attacks.
31	Reduces damage to weapons.

Magic

Located at offset 0x54 in the stat struct. This is a bitmask:

Bit	Name
0	Enchantment Sol
1	Enchantment Dark
2	Enchantment Flame
3	Enchantment Frost
4	Enchantment Cloud
5	Enchantment Earth
6	Transform
7	Rising Sun
8	??? (Zero Shift?)
9	??? (Black Sun?)
10	Freeze
11	Dash
12	Healing
13	Dynamite
14	Sleeping
15	Change Bat
16	Change Mouse
17	Change Wolf

The remaining bits are likely unused.