Tiamat

ティアマト

Skills Fights Drops

Drake

LV 55HP 4500MP 9999

St: 44
Ma: 45
Vi: 41
Ag: 38
Lu: 39

WeakElectric x1.25, Almighty x1.05

ResistsGun x0.75, Fire null, Ice drain, Expel null, Curse null

AilmentsSleep null, Poison x0.1, Paralyze x0.01, Charm x0.01, Mute null, Stone null, Fear x0.1, Strain null, Bomb null, Fly null

RewardsEXP 532000, Macca 14000

Compendium demonTiamat

101Leafy researched the game for these numbers. They are the boss's own and can differ from a compendium demon with the same name.

Skills

Diarahan

MP: 15. Full HP recovery, single ally.

MP15Healsfull

Sunset Melody

MP: 0. Light Almighty damage, all foes. Reduces Attack.

MP0Power200Accuracy100

Mother Earth

MP: 0. Light Ice damage, all foes. Drains HP.

MP0Power200Accuracy100

Pure Blue

MP: 0. Heals HP and nulls beneficial effects, self.

MP0Heals1000

Glacial Blast

MP: 20. Heavy Ice damage, random foes.

MP20Power80Accuracy120Hits1-4

Bufudyne

MP: 10. Heavy Ice damage, single foe.

MP10Power200Accuracy120

Luster Candy

MP: 50. Increases Attack, Agility, Defense, all allies.

MP50

Fights

Place Fornax B7F

Mission Fornax's Exotic Matter

Place Antlia 1F

Mission Mysterious device

Drops

Balm of Rising 100%

Planning notes

The staff boss list (dated 7/16) has Tiamat (Lady) as the sixth area's last boss, as in the finished game.

Atlus staff planning sheet, reprinted in MEGATEN MANIACS (Shin Megami Tensei 25th anniversary book), p. 132