Floor 100 (Boss)
Eureka Orthos • Floors 91–100
Boss: Excalibur

| Ability | Potency | Effect |
|---|---|---|
| Paradoxum |
|
roomwide AoE; grants Soul of Ice or Soul of Fire to each player; if there are Caliburni swords, this imbues one set with fire, and another with ice |
| Caliburni | ? | telegraphed line AoEs leaving swords that persist outside the arena. After a short time, the swords shoot back across |
| Thermal Divide |
|
Line and roomwide AoE; One side of the arena will be hit with fire, the other with ice. Stand OUTSIDE of the line telegraph, and on the side opposite of the buff you have. This will change your buff. |
| Call Dimension Blade | n/a | Setup cast - nothing actually happens |
| Solid Souls' Caliber |
|
pointblank AoE with late telegraph - get out; followed by arc or conal AoEs |
| Empty Souls' Caliber |
|
donut AoE with late telegraph - get in; followed by arc or conal AoEs |
| Vacuum Slash |
|
conal AoEs with Solid/Empty Souls' Caliber |
| Frostforge | n/a | indicates Frost's Revelation will happen after next Souls' Caliber, so you'll need to get the fire buff |
| Flameforge | n/a | indicates Flame's Revelation will happen after next Souls' Caliber, so you'll need to get the ice buff |
| Frost's Revelation |
|
roomwide ice-aspected AoE - must have fire buff; switches your buff to ice |
| Flames' Revelation |
|
roomwide fire-aspected AoE - must have ice buff; switches your buff to fire |
| Exglacialis | ? | spawns 2 sets of 3 circle AoEs that turn into star AoEs. Outside the center ring of the arena, there is a pattern with 8 points. Each of these points is a safe spot for all possible patterns |
| Exflammeus |
|
spawns a series of circles that grow and explode; you can run clockwise around the boss's hitbox to avoid them |
| Steelstrike (sword adds) |
|
return attack from Caliburni swords (no element) |
| Steel Flame (sword adds) |
|
return attack from Caliburni swords (fire element) |
| Steel Frost (sword adds) |
|
return attack from Caliburni swords (ice element) |
| Ice Bloom (star AoEs) |
|
line AoEs from Exglacialis stars |
Notes:
-
Opening sequence:
- Paradoxum
- Caliburni - one set of blades
- Thermal Divide
- Blades from Caliburni fire back across the arena
- Call Dimensional Blade
- Solid OR Empty Souls' Caliber
-
Rotation after opening (1m20s per cycle):
- Caliburni - 3 sets of blades
- Paradoxum - one set of blades turns to fire, and another to ice
- Frostforge OR Flameforge - you'll need to make sure your buff is opposite of this
- Blades from Caliburni fire back across the arena. If you have the same element as the boss prepared, make sure to get hit by an opposite element blade
- Solid OR Empty Souls' Caliber
- Frost's OR Flame's Revelation, depending on which was prepared
- Exglacialis OR Exflammeus
- Thermal Divide
- Soul of Fire/Ice increases damage from the same element to 10x normal, so everything becomes a one-shot
- An onion knight demiclone will defeat the boss in about 10m with no player assistance
Job Notes & Kill Times
AST
Kill times:
- 6m30s with strength, Onion Knight, 1 grade 8 tincture, and 1 dread (4 vuln stacks)
MCH
Kill times:
- 5m45s with strength and Onion Knight (6.45)
SGE
Kill times:
- 7m15s with Onion Knight (7.3)
- 6m45s with strength and Onion Knight (6.35)
SMN
Kill times:
- 17m45s with no offensive pomanders (6.35)
- 8m30s with 1 strength, 1 dread, and Unei (6.35)
- 6m45s with Onion Knight (6.35)
WAR
Kill times:
- 7m15s with strength and Onion Knight (6.35)