An idea for a new party play method

What you are talking about is not unlike Monster Carnival, which is basically layered monsters so each person attacks only one layer (I'm thinking of it like Flash); could also be that the monsters are ID-tagged to only hit and be hit by you.

I think it's an ok system, but it won't solve the problem of leeching. The only party component in this is the buffing and EXP-share.

Hadriel