Verra steps back around the well of frozen time, hasting himself and fire an opening shot at the crystal menace. The arrow strikes true, cracking the creature's hard surface (14 damage).
With a grating roar, it stomps down the steps into the main hall. There is a burst of static, and waves of energy pour from its form. As it washes over the fighters near the door, Groknar feels his bull's strength fade.
Darian moves out onto the solidified time, to gain a better perspective on the entry hall. Nothing else is yet visible at the top of the stairs (or invisible, for that matter).
Bellus activates his wand, but it has no effect on the construct. It is as if the thing is immune to the spell.