Help on spell oxygen drain

Current upkeeper: Morpher
Casting time    : 4
Spell cost      : 1
Spell type      : offensive (area)
Affecting stats : Int, Lvl, Aldevan (phase)
Affecting skills: Channel power, Inner ability, Crystal essence
Affecting spells: This spell
This spell will create sphere of vacuum. Every living victim inside it will
suffer from the lack of air.

Oppression < List > Phantasmal delirium