Rookor

Rookor is a Ground element Pico Pet. It first appears as the boss of Sandy Dunes level 10.

Description
A fortified beast that can't move in diagonals.

Levels found in

 * Snowy Mountain: 9
 * Sandy Dunes: 10
 * Rocky Land: 6, 10
 * Challenge Tower: 12, 15

Name origin
"Rookor" is derived from "rook".