Quote Originally Posted by Buffalobiian View Post
But there's a barrier between himself and Veldora, and they're supposed to be "attacking" or analyzing it from each side.

I didn't think they could access each other's mana like that.
I'm assuming there's some bleeding occurring.

Like, I'm pretty sure Rimuru's super huge monster aura is actually Valdora's aura.

Quote Originally Posted by shinta|hikari View Post
The mana is Rimuru's, not from what he ate or Veldora. That's his default mana pool.
Maybe those crystals were like Magic Seeds in Dragon Quest, where they increase your Max Mana. So now, because he ate so many, he has a massive mana pool that recovers when he does.