What discounts do Merlin Pass holders get inside the attraction? As a Merlin Pass holder you'll get 20 % off in our retail shop and our canteen. Related articles Do Merlin Pass holders get free entry or a discount on Bear Grylls Adventure tickets? Do I need to bring my Merlin Pass with me? I’m a Merlin Entertainments employee – can I use my Magic Pass to visit The Bear Grylls Adventure? Are sharks, rays, or any other sea creatures and fish within the tank dangerous? Can I get a refund for my tickets?