Bestiary/Levels 11 to 20

Level 13

 * Skeleton (13)
 * Zombie (13)

Level 14

 * Scorpion

Level 15

 * Unicorn

Level 16

 * Thief

Level 17

 * Monk of Zamorak

Level 18

 * Skeleton (18)
 * Zombie (18)

Level 19

 * Ghost

Level 20

 * Dark Wizard (20)
 * Fortress Guard