What? Cells? I'll take you on some Lephantis runs or something. You can farm them from any boss, too. The boltor I'll trade to you when I see you next.
You'll need a whopping 10 cells. I suggest buying a catalyst for it.
All gaming systems should be terribly flawed and exploitable if you want everyone to be happy with them. This allows for a wide variety of power levels for games for different levels of players.