All Jack Blacks have one of these, You must count for 12 seconds and then do 2d12 force damage to every creature within a 10 foot radius, including yourself.

You transmutate into a Large sized dragon turtle for 5 minutes, Though for the first three, you must play the "Peaches" song from the Super Mario Bros. Movie or gain 6 levels of exhaustion.

for 5 ft. you can see in normal and magical darkness, see invisible creatures and objects, automatically detect visual illusions and succeed on saving throws against them, and perceive the original form of a shapechanger or a creature that is transformed by magic. Furthermore, the Jack Black can see into the Ethereal Plane within the same range.