User blog comment:Neeeeeeenja7/Weapons with explosive element?/@comment-1808057-20100427111758

Technically, the Chimera can come with x4 explosive instead of x3 on the item card, but it's not actually explosive 100% of the time. It alternates between using corrosive, incendiary, and shock, but I find explosive to be far more common when shooting it than the others.