Magma Ammonoid ・ Sirpendir

First seen in Day 236.

One of the field bosses roaming around in the [God] rank dungeon Flames of Fire Dragon Mountain.

The second field boss seen by Rou and his 8 Demon Generals.

The first time it is killed, it drops 【Spiral-shelled King’s Gravekeeper】 as a first time subjugation bonus.

Upon eating it's body, Rou learns:

Ability learned: 【Shut-in Structure】

Ability learned: 【Lava Lurker】

Ability learned: 【Wild Spree of Snake Tentacles】