Mancubus fireball clipping

A wall, pillar, or other solid object usually blocks the fireballs, but not always; from time to time, a fireball will fly straight through an apparently permanent feature, possibly ambushing an unwary player on the other side.

Demos

 * [[Media:d207mfcb.lmp|The Mancubus fireball clipping bug]] (file info) on MAP07: Dead Simple