Erudite Offense
Single action that converts a Recall Knowledge check against a target within 30 feet into combat advantage: critical success grants off-guard against all your attacks until end of...
You use your knowledge about a creature to focus your attacks. Choose a creature within 30 feet of you that you're aware of. Attempt a Recall Knowledge check against that target, following the standard rules for Recall Knowledge with the following additional effect. Critical Success You understand the exact timing and location to strike your opponent. The target is off-guard against all attacks that you attempt against it until the end of your next turn. Success The target is Off-Guard against the next attack that you attempt against it before the end of your current turn. Erudite Offense leads to... Erudite Strike