Angelic Smite

Angelic Smite is a powerful ability where a Angel kills another being, generally by touching them. The ability involves delivering a blow so powerful that it instantly kills the smiting target. Angels can inherently smite most demons and monsters as well as humans. Archangels and Seraphim can smite demons effortlessly and kill them instantly. When it comes to regular angels, it takes more concentration and if they are too physically or mentally weak, it will not work and they will only be able to smite weaker Demons

Demonic Possession

Will end a Demonic Possession [and kill "Lesser Demons"]

Undead

Will kill almost any Undead

Demon

Look up for some Info

Others

Depends on the Angel and Creature