- Alias: Whapper
The Whapper are hostile hulking insect-like humanoid figures that can be only be found at Blackrock Mountain. It is described to have black skin with red gloves and shoes, as well as antennas and a Whapper Sword that it wields as its main weapon.
There are two attacks that the Whapper can perform:
- Bash - Attempts to bash the player's head.
- Swing - Swings its Whapper Sword in front of itself.
- The Whapper's first initial appearance was in the game thumbnail of Fantastic Frontier during its release.
- The Whapper wields a Whapper Sword, which can be acquired by players on some occasions.
- It is possible to acquire a Hook Scythe from the Whapper.
- It is one of the few mobs of the Frontier that is exclusively found in one location and remained unaffected by the massive changes of the Otherworld Update, in terms of locations.