Tower floor

MT21

Floor 21 of the 24-floor tower, as the game starts it. The Nether Demon King. Defeating him is the normal ending, reached by a run resumed on MT18. 3 of the 31 tower runs cited by the thesis reached it.

Play the Tower Game ← MT20 MT22 →All tower floors

3monsters, 2 kinds

0 / 0 / 0yellow / blue / red doors

0items

13 × 13tiles

Maphover a tile for its stats

Number on each monster: the HP it costs at

Original game tiles (24-floor sample tower, mota-js). Number on a monster = HP it costs to kill now (green: winnable, red: not). Hover any tile for its stats.

monster	on floor	HP	ATK	DEF	gold	EXP	special
Spirit Mage	2	1,500	830	730	80	70	Vampire
Nether Demon King	1	30,000	1,700	1,500	250	220	–

Tower runs that reached MT21open a run at its first turn here

agent	observation	run	first turn here	HP	ATK	DEF	highest floor
DeepSeek-V4-Flash	resumed on MT18	2	turn 867	1,153	2021	3880	MT21
DeepSeek-V4-Flash	resumed on MT18	3	turn 860	5,685	2294	3613	MT21
Qwen3.5-397B	resumed on MT18	1	turn 808	3,265	2074	2382	MT21

Stats are the hero's on arrival, before the first action on this floor. The thesis engine models 19 of the 23 scripted events up to MT21 (Table B.4), so a run's map can differ from the game's where the remaining scripts change tiles.