Arch Jelly, or Samansa as a companion, is a monster in the second part of Monster Girl Quest: Paradox.
Monsterpedia Entry
Attacks
Strategy
Evaluation
"Sucked dry in a jellyfish's umbrella... Since I have no comments, here's a bit of trivia, jellyfish are 99% made out of water. The Arch Jelly is a sea dweller that uses Tentacle skills. She also has moves that Bind and cause Incontinence. She's strong against physical attacks but weak to Lightning. Status ailments also are very effective against her but you shouldn't need to use them. Now go, oh Brave Luka. I thought I'd keep it a secret, but in fact 60% of your body is water."