[quote=Legend]
Or, you know, blow them up. Then let's kill them. Compacted. And you think that adding electricity will restore my age?
[/quote]

they can regenerate quickly enough to over come explosions. they are faster than sound, the only person i personally know that could kill them would be shinji, and he'd have to decapitiate them, but their dodging skills are remarkable.
*one dashes at alucard, who puts his gun to its head, and blows it's face ibto peices, but it regenerates, and roars at him* 
see? it just pisses them off.
*gets tackled, but kicks the beast into a nearby wall*

*one beast attacks techi while two jump towards the blue haired kid, claws extended*