First seen and fought by Rou in Day 142.
The oldest and strongest of the three Cyclops bosses that can spawn in the boss room.
Also the rarest boss spawn.
Drops the [Unique] class magical item: [Demon's Smithing Hammer].
Eating his flesh while he was still alive, Rou learns 2 abilities: [Earth Shaking Hammer] and [Giant's Bloodline].