"Damn it, where did all of these things come from!" James shouted as they were besieged by hundreds of floating sting rays that were covered in a layer of crystalline skin.
Each one of these monsters was surprisingly durable and swift. Swoping down and lashing out with their unsuspectingly long barbed tails that were excreting a powerful venom.
Luckily no one had gotten hurt to this point due to their tight nit defense, but every second more and more of these rays surrounded them in the large cavern they had found themselves in.
Originally when they walked in, they all thought that the ceiling was just covered by thin sheet of crystals. That was until it began moving.
Now they were stuck in the cavern, as these rays flew around using the large crystals jutting up out of the floor as cover to attack in mass.
'Fire Ball.'