Help on spell grip of death

Current upkeeper: Oya
Casting time    : 5
Spell cost      : 1
Spell type      : offensive (single)
Spell words     : xaxgass-brrhat!
Affecting stats : Int, Wis, Lvl, Masteries
Affecting skills: Arcane power, Energy focus
Affecting spells: Grip of death
This spell saps the breathing of your foe, quickly strangling him or her to
death. It is known that powerful necromancers can cause incredible damage with
this spell.

Greater ritual of chaos < List > Half heal