By how much does Guts increase attack? And is it hindered when burned?

Question

I may train a swellow with the flame orb to activate guts but I want to know if it will really make it strong to make up for that 85 attack stat. Facade, Aerial ace, Steel wing, U-turn

Comments

it's up to you, as people online may see this coming, but perhaps consider swapping U-turn for Protect, as the flame orb won't activate if you use U-turn. Apart from that, nice set!

Answer 1

Guts raises the Attack stat by 50% while affected by the Burn, Paralysis, or Poison status ailments. The Attack drop from Burn does not occur. In Generation IV, the Attack stat is also raised by the Sleep status ailment, even self-induced sleep.
http://bulbapedia.bulbagarden.net/wiki/Guts

Comments

This is correct - the attack drop from the burn does not happen with Guts and you still get the 50% increase.

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Thank you that is what confused me.