Hmm, been having a think about this - bit sad in itself really - reckon this has the makings of a pretty groovy talent tree.
+ Technique / Flatus (mastery 1.00)
Broadside (generic) - Activated. You produce a cloud of radius 3/4/5/6/7 doing 32.42 arcane damage per turn, which persists for 5 turns. Damage and duration will increase with Cunning and Willpower and by 33% indoors.
Blazing Saddle (generic) - Activated, Range 8/10/12/15/18. You inflict 24.15 nature and 18.10 fire damage on the target, with chance of a beam increasing with dexterity. Damage will increase with Strength.
Rum & Raisin (generic) - Sustained. This powerful malady will drain Stamina continuously. You taint your steps for 2/3/4/5/6 turns with a miasma doing 18.10 nature damage per turn, and 18.10 blight damage if you are currently diseased. Damage will increase with Constitution.
La Petomane (generic) - Passive. Damage from the other Flatus talents will be increased by 40/75/105/130/150%