Hookwolf- Transformed Arm

Hookwolf thrust his damaged arm out to one side, and the muscles unhinged like a swiss army knife, revealing still more blades and hooks that unfolded, swelled and overlapped to cover and patch the injured area.  His arm grew with the use of his power, and the resulting limb was three times the normal size, ending in what looked like a two foot long fishhook.
...
Swinging blindly, he struck a fire hydrant, but no water was forthcoming.  He lunged left, gouging chunks of brick from a wall, then he leaped right, striking the mailbox and cleaving it in half.

Hive, 7.8