Penomena

 is similar to Hydra, but unlike the Hydra this monster can move itself and is pretty powerful. Misunderstanding could make for big time trouble. Prepare before you attack, otherwise you could be dead in no time.

Patches
Ragnarok Online Ragnarok Online II
 * Patch (2005 Apr. 06)
 * The number of Penomena appearing in the Sunken Ship and Izlude dungeons is slightly adjusted.