Guide / World Bosses

World Bosses

The world boss is STARLESS's weekly set-piece: a rotating boss you get a limited number of attempts at, scored by grade rather than by beating anybody. There is no PvP in STARLESS. Nothing another player does can lower your score, take your reward, or put you behind — you are measured against the boss and its published counters, full stop.

Unlocks at
stage 95
Keys per week
3 (one regenerates every 24 hours)
Scoring mode
Best
Break-breadth target
3 elements
Combat variance
±3%
Grade thresholds
S = 9 pts, A = 7 pts, B = 4 pts
Bosses in rotation
4
BossElementWeak toResistsDurationBreak bar built byPhases
Skarn, the Star-EaterVoidNeutralVoid75sNeutral, Fire (8s window)Shield → Neutral (else x0.6); Enrage → Fire (else x0.75)
Pyrrha, the Cinder WallFireWaterWind75sWater, Void (8s window)Shield → Water (else x0.6); Adds → Wind (else x0.75)
Glacior, the TidewardenWaterEarthFire75sEarth, Wind (8s window)Shield → Earth (else x0.6); Debuff → Wind (else x0.75)
Terran, the Mountain That WalksEarthWindWater75sWind, Neutral (8s window)Shield → Wind (else x0.6); Enrage → Neutral (else x0.75)
How to actually score. Every boss publishes its counters. Ignoring a phase requirement does not lock you out — it caps your damage at the multiplier shown, so a broad roster out-scores a single over-levelled unit. Breadth is the skill expression here, which is also why nothing in the roster is purchase-exclusive.

Element matrix →