Barbarian has rage powers from the hive totem that can easily negate the effects of swarms, for that barbarian. This barbarian should have a swarmbane clasp for 3000gp that allows him to use his primary weapon to mop up the swarm. The rest of the party needs swarm suits, read up on them, they are standard issue for our group players. Then blast with area affect damaging spells. Done! Tell ur GM see ya next Saturday!
