Cloudkill

School: Conjuration
Sub-School: Creation
Descriptor: None
Ritual: No
Level: Arcane 5th
Components: Material, Somatic & Verbal
Casting Time: Standard
Range: Medium
Effect/Target: 25ft radius, 25ft tall Cloud
Duration: 10 Minutes
Saving Throw: See Text
This spell functions similarly to Fog Cloud, except the cloud is poisonous.
Upon entering the cloud, or at the start of their Turn while they remain inside it, a creature suffers the following effects, depending on their HD:

• 3 HD or less - The creature immediately dies.
• 4-6 HD - The creature must make a Constitution saving throw or immediately die.
  On a successful save, the creature takes 1d4 Constitution damage.
• 7 HD or more - The creature must make a Constitution saving throw or take 1d4 Constitution damage.
  A successful save halves the damage taken.

Resistance or Immunity to Poison effects aids against this spell.
At the start of your Turn, the cloud moves 10ft along the ground, seeking to reach the lowest level of land as possible.
The cloud does not penetrate liquids, or be cast underwater.
If any part of the cloud leaves the spell's Range, it dissipates harmlessly.
Material Component: Misty Aalaryte with a value of 100g