Spiderhorses are pack-arachnids used by the dwarves to navigate rough terrain. Though not particularly fast, they're much faster at getting up hills and across scree than most animals. Spiderhorses are bred to be docile and not particularly bright. Unfortunately, they still have a self-preservation instinct, so do remember to tie them down before you start making loud noises and waving fiery sticks nearby (unless you want all your gear to go bolting into the night). Instinct: to flee danger

• Climb an impossibly steep surface