The Smoke Blast is available to members who has 78 Magic that has completed the quest Smoking Kills.
The spell is in a different Spellbook Which can be changed after you done While Guthix Sleeps.
A player must have acess to The Stone of Jas.
This spell uses 15 smoke runes and 2 death runes and 10 air runes.
The Effects of this spell is to blind the opponent making them unable to move and attack for 30 seconds and damage approximately 800.
This Spell is rarely used since of the fairly large consuming of runes.