Please be advised that these entries contain unmarked spoilers.
David taking down Knoxx almost entirely by himself.
David manages to No-Sell Regalia in the best way possible. First, he refuses her attempting to force Epic powers on him, then figures out the secret to Epic powers, completely out-gambitting a woman who's been set up as a near-unstoppable chessmaster for the whole book, driving her into a short Villainous Breakdown.
Megan escaping Prof's trap by using the remote fire function of David's rifle. Her quick thinking allowed her to survive an attempt on her life by a man notorious for killing Epics.
Megan being reborn with the first light of the sun, and using her peak Reality Warper powers to drive off Prof and save David's life.