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BESTIARY

Leviathan

1 recorded variant. Select a variant to see its own stats, artwork and rewards.

LEVEL 23 · BOSS

HP: 40,000
MP: 999
Stagger: 1,000
Strength: 260
Stamina: 185
Magic: 170
Spirit: 185
Speed: 120

4,500 EXP · 2,400 gil

Plan your approach

Recorded elemental weaknesses: Lightning

Match your attack to this variant’s resistance. Stored stats and move lists do not establish an exact turn order, a guaranteed status infliction, or demo availability.

Test damage assumptions · Compare complete builds

Element resistance

Fire0%

Ice0%

Wind0%

Earth0%

Lightning−50%

Water50%

Light0%

Dark0%

Status resistance

Poison80%

Blind80%

Sleep100%

Silence100%

Paralysis100%

Confusion100%

Petrify100%

Charm100%

Berserk100%

Doom—

Slow30%

Strength down30%

Stamina down30%

Magic down30%

Spirit down30%

Instant death100%

Gravity100%

0% neutral · Negative: more damage · 100%: immune · 200%: absorbs. Status percentages are resistance, not infliction chances.

Drops

Normal

Item 25000100%

RareNone

Steals

NormalNone

RareNone

Drop percentages are base chances before bonuses. Steal slot probabilities are still being verified.

Attack Pattern

Repeats three actions of attacks. When a summoned ally dies, Leviathan switches to a special three-action response, then calls another ally.

Numbers count this boss’s own actions; combos are listed together. Battle-turn rules are labeled.

When	Action
Normal pattern: first → second → third action	Maelstrom → choose from Wild Rage (about 48%) or Blizzaga (one party member) (about 38%) or Waterga (one party member) (about 14%) → choose from Slam (about 8%) or Waterga (the whole party) (about 46%) or Blizzaga (the whole party) (about 46%). After the fourth summon-loss response begins, replace the first attack with Killer Tsunami and restart this pattern once.
When a summoned ally is defeated: first response action	Restart the response with 50% Blizzara, 35% Charge, or 15% Slam.
Second response action	70% Aqua Breath / 30% Constrict.
Third response action, while not staggered	Use Tsunami during the first three responses, or Killer Tsunami from the fourth onward, then summon the next ally. Return to the normal attack pattern.
Order of replacement allies	Use Create Void, then Create Void, then repeat Create Void → Create Void → Create Void.

Combat Actions


Slam	None	Physical	Single Target	12	1	100	25	—	Normal pattern: first → second → third action When a summoned ally is defeated: first response action	—
Waterga	Water	Magic	AoE	24	3	100	15	44 MP	Normal pattern: first → second → third action	Deal water-type magic damage.
Blizzaga	Ice	Magic	AoE	24	3	100	15	44 MP	Normal pattern: first → second → third action	Deal ice-type magic damage.
Wild Rage	None	Physical	AoE	12	4	100	12	—	Normal pattern: first → second → third action	—
Blizzaga	Ice	Magic	Single Target	30	3	100	21	44 MP	Normal pattern: first → second → third action	Deal ice-type magic damage.
Waterga	Water	Magic	Single Target	30	3	100	21	44 MP	Normal pattern: first → second → third action	Deal water-type magic damage.
Maelstrom	Water	Magic	AoE	24	1	100	12	—	Normal pattern: first → second → third action	—
Tsunami	Water	Magic	AoE	30	5	500	12	—	Third response action, while not staggered	Deal water magic damage to all enemies.
Killer Tsunami	Water	Magic	AoE	99	5	500	12	—	Normal pattern: first → second → third action Third response action, while not staggered	Deal water-type magic damage to all enemies.
Create Void	None	—	Self	—	—	—	—	—	Listed in the game files; no trigger was found in this AI.	Effects: Summon Unit. Open the ability for details.
Create Void	None	—	Self	—	—	—	—	—	Order of replacement allies	Effects: Summon Unit. Open the ability for details.
Create Void	None	—	Self	—	—	—	—	—	Order of replacement allies	Effects: Summon Unit. Open the ability for details.
Create Void	None	—	Self	—	—	—	—	—	Order of replacement allies	Effects: Summon Unit. Open the ability for details.
Create Void	None	—	Self	—	—	—	—	—	Order of replacement allies	Effects: Summon Unit. Open the ability for details.
Create Void	None	—	Self	—	—	—	—	—	Order of replacement allies	Effects: Summon Unit. Open the ability for details.
Blizzara	Ice	Magic	Single Target	22	2	100	19	15 MP	When a summoned ally is defeated: first response action	Deal ice-type magic damage.
Charge	None	Physical	Single Target	24	1	70	25	—	When a summoned ally is defeated: first response action	A low-accuracy physical attack with a chance to inflict Paralysis.
Aqua Breath	Water	Magic	AoE	18	3	100	12	—	Second response action	—
Constrict	None	—	Single Target	—	—	—	—	—	Second response action	Effects: Automatic Skill. Open the ability for details.
Prism cores absorbed!	None	—	AoE	—	—	—	—	—	Listed as a counterattack.	Effects: Instant Death. Open the ability for details.

Traits & Passives

Becomes weakened when the Orbs of Light are defeated.

Becomes enraged if the battle drags on.

Counter when KO’d
Counterattacks when KO’d.

Research Notes

These patterns were checked against the installed game’s AI.

How the patterns were checked · Detailed source notes

Variant source data

Stored base stats. Encounter effects may modify these values. Battle-group references do not establish demo availability.

{
  "unitId": 459,
  "table": "DT_UnitParameter",
  "row": "リヴァイアサン_BOSS",
  "offset": 209269,
  "faceIconId": 459,
  "dropNormalRate": 1,
  "dropRareRate": 30,
  "stealRate": 5,
  "battleGroups": [
    9021
  ]
}