Mastery
Mastery is a game mode similar to Expeditions, except each map has a set of challenges to complete while your gear is capped, creating a much more difficult challenge than Expeditions.
Contents
Challenges
Victory: Survive all waves
Perfectionist: Earned all stars in the same attempt
Not Even a Scratch: No cores fall below 90% health
Under Pressure: Finish each combat phase in under 180 seconds
State of Decay: No defenses are repaired
Base Builder: Build only tower type defenses
Master Strategist: No defenses are sold or destroyed
Protect Your Jewels: No Main core(s) fall below 90% health
EMP Active: Build no aura type defenses
Broken Links: Build no node type defenses
Careful Planning: No defenses are destroyed
Immortal: No hero deaths
Equal Opportunity: Don't build more than one of a specific defense
Budget Cuts: No defenses are upgraded
Think Fast: Complete each build phase in under 30 seconds
All Lanes Open: Build no blockade type defenses
Diversity: Complete all phases with 10 or more different defenses
You're Grounded: Build no tower type defenses
Entrapment: Build no traps
Maps
All maps have the Victory and Perfectionist challenges. They will not be listed in the table below as they are implied.