User blog comment:EmirK/Who do you want for the main antagonist in Toaru Kagaku no Accelerator?/@comment-17714224-20131023235948/@comment-11612775-20131024162738

Yeah, in a battle with Esper powers alone, Accelelator is invincible. I understand RemidoDosol's opinion and agree it is a legit possibility, as far as his possible opponents goes, at very least.