Achievements
Defeat the Final Boss in under 15 seconds during a run. Steam condition
Before the boss, compare the equipped attack’s scaling with the stats already built. If it needs replacing, arrange the attack slots on a level-up screen; the swapping guide records player reports of two equipped slots and the bottom-left loadout controls.
Version 1.2 fixed an issue that prevented newly selected attacks, dashes or abilities from equipping immediately. If a preparation step seems to leave the wrong ability equipped, distinguish the selection from the actual loadout before entering the timed encounter. The fix concerns equipping, not a promise that every selected attack will meet the boss-kill time. Official 1.2 notes
This goal concerns defeating the final boss in less than 15 seconds during a run. It is not a target for the length of the whole run, and exactly 15 seconds is not “under 15.” The condition does not publish the precise timer start point, so a hand-timed result near the boundary is not enough to invent that detail. Steam achievement condition
The Carcinisation build addresses attribute and branch choices; reaching Carcinisation 10 does not establish a fast boss kill. The Cataclysm route serves a different killing-blow objective. Read those recommendations for their relevant combat choices, rather than treating either route’s named achievement as evidence of this time limit. Steam achievement condition
Preparation for the final boss should therefore focus on having the intended attack equipped and its supporting choices made before the encounter. This is planning implied by the short time limit, not a tested damage threshold or a promise that a particular build finishes in time. Steam achievement condition
The published condition says under 15 seconds, so the stated threshold is strict. The source does not define the exact timing precision or the timer’s starting event; those details need an actual timed and registered attempt. Steam achievement condition
No. The Crabtain concerns a Carcinisation attribute value, while Carcinise This concerns the final-boss kill time. A crab-themed name or high attribute does not replace the required timed result. Steam achievement condition
Version 1.2 also changed boss Stun resistance: bosses start with lower base resistance, then gain resistance as the player stuns them. The game announces increases with a pop-up. If the intended burst uses a stun to create an opening, prepare the attack that can use that opening; do not assume a second or third stun will provide an unchanged repeat of the first. Official 1.2 notes
Separate a missed attack window from uncertainty about the achievement timer. A run where the intended attack was not equipped or could not reach the boss did not test the planned burst. Conversely, a near-15-second hand timing cannot settle the game’s unpublished start event. Review the visible encounter sequence and registered result without inventing a precise timing rule from either failure. Steam achievement condition Official 1.2 notes
: Replaced generic preparation advice with the 1.2 immediate-equipping fix and added boss Stun resistance and timer-boundary checks for the fifteen-second objective.
