Pack mammoths are level 118 combat Summoning familiars which have the largest inventory capacity of all the Beasts of Burden. They can hold up to 32 items for a player, whose value can be no more than 5,000,000 coins each (but not more than a total of 30,000,000 coins). Pack mammoths also have a special move called Mammoth Feast, which instantly heals you using food stored in the familiar without having to withdraw it from the mammoth as well as not draining any adrenaline.
Mammoth feast is the special move for a pack mammoth. It consumes and automatically heals the player with the type of food that is currently stored inside of the familiar, with the chatbox giving the message The Pack mammoth eats the food and sends you the health it gains as a result. Healing in this manner does not drain adrenaline.
Before 3 July2017, food eaten via Mammoth Feast drained 10% adrenaline like normal.