Blightsteel Colossus

Taunt - Enemy troops may not pass Blightsteel Colossus while it is alive.
Bang immunity - Blightsteel Colossus is immune to "Bang".
Weapon - Blightsteel Colossus carries 2 Boffers.
Desperado - If Blightsteel Colossus has been dealt damage from four separate enemies, it may shout "The Singularity is here!" three times. If it does, for 10 seconds it gains indestructible, unlimited attack rate, and movement 20, then dies.