Tartarus season rewards
Use compasses to focus season map rewards
Apply a compatible compass effect to maps where the character can handle its added encounter or challenge.
Netherrealm map setup, using a compatible compass before opening an eligible stage.
Repeat while you have compatible compasses; each use consumes a resource and results vary with the effect.
Stop using a given compass effect when its reward target is met or its challenge makes clears unreliable.
Open a guide to find other locations and see what the item is used for.
Apply a compatible compass effect to maps where the character can handle its added encounter or challenge.