this is a really nice page to reference ill add alittle bit now and expand with edit later: ttomorrow morning
they have unique tekked screen with a unique animation design, the skins are modified on these versions. this also adds to special being natural or unreduced with proper equip cast dont use demons. and humans dont use hell. i am going to explain a couple for now.
Asteron striker increased stats to HS, can still Heaven punish with mag equip/ New skin and different color anime.
Blood tornado unique skin and un reduced when used by humar ramar.
fire rod unreduced flaming special, enhanced animation unique texture. (ultima exculsive i believe)
eggblaster increased zerk cyan skin .
Kiss of death unique tek and ultima exclusive