Quote Originally Posted by Vaer View Post
It was an instance that was pretty much like tower defense, it's been so long so I don't remember exactly what the setup was and completely how it worked.

There would be mobs that pour through the gate that would try to destroy the carts which you pretty much defended the entire time.
Sounds like the wings of the goddess tower defense in FFXI.
Monsters would attack from different angles till you defeated them or they ran away.