You completed the Cartilaginous collection!

Superbly done, CartilaginousRat! You've swum, dove, and eaten your way to your next Feat card! Luckily we Rats do our best to stay away from the ocean—unless we're stowaways looking for free passage—because we understand our domain is the dry land! Enjoy your brand new 'if Rats had teeth like sharks, we'd be invincible!'