"Wormholes?" He assumes that's not meant literally. Thinking back to their conversation after the ritual sacrifice he brightens up, "Oh you mean plane shifting. Yes, he was quite strange about that when I opened up the portal. It didn't work here due to the barrier, of course."

This happens to be one of the rare moments where his petty assholeishness wins out over his desire to give a five minute lecture on portal logistics.

"You plan to make a weapon out of that?" He eyes Harvey for a second, then quickly gestures with one hand, making a purplish pink doorway of sorts in the air right in front of him. Stepping through the dimension door he created he manifests directly behind Harvey. "How exactly are you planning on weaponizing this?"