[b][i][u]Because even if someone smashes through the bubbles killing them all, one of two things is still going to happen. Everyone using this is super charged again anyways, or there are a ton of orbs on the ground waiting for them to come back. "Congrats, you killed them all. Oh, they've put the bubbles back up."[/u][/i][/b] Can't pop a bubble if you're dead lol