Philosopher's Stone

Philosopher's Stone is an item which have a chance to drop after successfully defending an Item Island. Philosopher's Stone was added in the Jotunn Edition update

Philosopher's Stone generates 1 additional coin from the islands you defend. It can be upgraded to Level 2 for 5 coins and Level 3 for 9 coins, each upgrade allows it to generate 1 more gold everytime you defend an island.

As with every item in the game, once it is assigned to a commander, it cannot be removed anymore.You can choose Philosopher's Stone as a starting item once you have unlocked it.