If Rumble uses a skill that gets him in the Danger Zone, is the skill empowered?

Question

Flamespitter:

ACTIVE: Rumble activates his flamethrower for 3 seconds, dealing magic damage every 0.5 seconds to enemy units in a cone in front of him (dealing half damage to minions). Rumble can perform other actions while Flamespitter is active.

DANGER ZONE: Flamespitter's damage is increased by 50%.

Let's say I'm at 45 heat, and I decide to use the Flamespitter. I'm now at 65 heat, but will the Flamespitter hit with the increased 50% damage?

Answer 1

Short and sweet answer: No.

Danger Zone is checked when the ability is cast.

Likewise, an ability that causes Rumble to Overheat will still cast (even allowing the 2nd shot of Electro Harpoon, despite being locked out of other abilities).