Depends what is on the other side.

[Touching it will get the air above the alter to shimmer like looking through water. Tyki walks up and sticks a hand in it. It disappears and he is able to pull his hand back without any loss of limb. A grin spreads across his face. Yes, this will do nicely.]

Shall we?

[And by shall we, he gives the other a push in first.]