"Heh. That a trick question? Let's go for the big one." That cheering prospect in mind, Blaze steps around the corner and sends the grenade bouncing gently into the center of the assembled ranks. Not quite where she'd intended, but the longer fuse means bouncing it into the air isn't an option.

She pulls back a little, just enough to avoid the inevitable detonation. Her fiddling seems to have worked: the orb remains where it fell, glowing gently as the Vex around it flinch and lift their gun arms to shield their single optics.

Five, six...

Chattering to one another in hard tones, they lower their arms, retrain their sights on the doorway.

Seven, eight, ni-

And the grenade erupts in light and Light and a ringing thunderclap. OK, not twelve seconds. It's a first try.