The Smeltreeve, as the game draws him, seen from the front.

The Cinder Works · boss · floor 15 and every fifth floor after it

The Smeltreeve

3001 HP on floor 15: 167–251 basic swings before gear and skills. He draws every attack on the ground before it lands, slag cone (1 s) and furnace vent (0.9 s).

Play

Read the guide to The Smeltreeve for how to dodge each attack.

The fight

A boss floor has no clock: the waves keep coming until he falls. He steps out 1.5 s into the floor and draws his first attack 1.67 s later. While he winds up he stands still; between attacks he walks at you at 1.28 tiles a second (the Warrior walks 4.2) and his touch bites for 20. After each attack lands he rests 1.5 s before drawing the next; below half HP only 0.93 s. Knockback does not move him. No boss attack may land sooner than 0.6 s after it is drawn.

Base HP
820
Base touch
8
Speed
1 tiles/s
Body radius
0.9 tiles
XP
120
Attacks
2
The Smeltreeve on floor 15 and every fifth floor after it
FloorHPBasic swingsTouchSlag coneFurnace ventCoins
153001167–25120705010 × 55
20*6863382–572321138110 × 111
25*15711873–13105218113010 × 223
30*359321997–29958429220910 × 449

* Floors past 15 are not written out in the game’s tables: their numbers are the engine’s own extrapolation from floor 15 (HP and bite keep growing every floor).

His attacks

The full guide to The Smeltreeve has when he picks each one and how long a dodge takes.

What he drops

Always two rare items and two magic items, each rolled with magic and rare odds ×2 so any of them can come out better, and a spill of 10 coins. From floor 3 down a boss kill also has a 50% chance of a unique item (one you do not own yet, picked evenly among the 10) and from floor 4 down a 13% chance of a set piece. Every item lands on a ring around his body.

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