Krana Yo-Kal were one of the eight types of Krana-Kal. They allowed their Bohrok-Kal to sense stress points in the earth, making for more efficient tunneling for its Bohrok-Kal. It could also sense underground movement.1, 2 Its power was sense weakness.2
Notes
The Yo-Kal could sense stress points in the earth, allowing it to tunnel through areas of least resistance. It could also sense any underground movement.3