Black Master Einstein lost all traces of his enemies.
In his decades of service in the Clown Society as a Black Master, this was the most humiliating defeat that he had ever suffered. A defeat against a bunch of youths and teenagers was something he would never forget.
He was outwitted, outsmarted, and outbattled today.
Knock's sacrifice made sure that despite his incredible strength, he was completely kept at bay and prevented from wreaking too much destruction.
Legolas's incredible decision making and smartness enabled them to discover the secret of the machine despite all his cautiousness.
Drog's sacrifice kept the warriors' motivation burning which in the end became a great catalyst not just for the warriors' escape but Knock's brave sacrifice.
The Void Raven was supposed to be a secret weapon of his side, Legolas outwitted him and turned this weapon against him.
He never expected Legolas to know a Void Raven though.