2. Round 3: Does the Aid Another action break Protection from Evil? If not, Urthask will aid Gongar, applying the bonus to his attack roll. The Aid Allies (Ex) feature from Urthask's cavalier order grants additional bonuses when he does this. Unsure if that +3 bonus stacks with the standard +2 or if that replaces it.
Rolls
Aid Roll - (1d20+9)
(16) + 9 = 25