Jester had instinctively twisted in mid-air and put himself on guard, but he wore a relieved grin. Until...
Crack. Another mechanical noise rang out, the wrist on the end of the outstretched arm opened, appearing to break, and something fired from the cavity inside.
“Wha—”
By the time Jester realized it was an explosive projectile, something like a grenade, it was already too late.
The holy water-infused warhead had penetrated his abdomen, and exploded.

Fate/Strange Fake: Volume 2, Chapter 4 ("Day 1, Early Dawn")