Atmosphere, Toxic (CL 6)
Saga Edition Core Rulebook, page 3 (table of contents).
A toxic atmosphere is filled with chemicals that harm most creatures.
Type: Atmospheric, contact, natural
Trigger: A creature begins its turn in a toxic atmosphere.
Attack: +5 vs. Fortitude Defense
Damage/Effect: 1d6, and the target moves −1 step on the condition track (Miss: Half damage, and no condition track movement).
Recurrence: On trigger
Skill:
Knowledge [physical sciences] (DC 16): The character identifies the presence of a toxic atmosphere.
Special: Creatures, droids, or objects that have special protection against a corrosive atmosphere, such as environmentally sealed space suits, are not affected by this hazard.
Toxic Atmosphere (Deprecated)
Saga Edition Core Rulebook, page 253.
A toxic atmosphere is filled with chemicals that harm most living beings. Each round a creature is exposed to a toxic atmosphere, make an attack roll (1d20+5) against a creature’s Fortitude Defense. If the attack succeeds, the creature takes 1d6 points of damage, and moves −1 persistent step down the condition track. If the attack fails, the creature takes half damage that round, and does not move down the condition track.