Cloudkill

Action: 1 / Target: N/A / Rng: Mid / Save: Fort
Mats: V,S / Duration: 1 min/lvl / Spell R: N
Create a poison cloud 20ft radius. Automatically
kill all creature 3 HD or less. 4-5 HD must make
a Fort save or die. If successful 1d4 CON dmg
each rd in cloud. 6 or more 1d4 CON dmg and
save for 1/2. Immunity to poison makes creatures immune. Each rd figure out fog's movement,
10ft away from point of origin.