Bug Fixes New Features Artifact Upgrades up to Level 24, Artifacts can now be upgraded beyond their previous limits, granting additional stats. Higher upgrade levels require Mithril, a new resource. New Guild Boss: Prime Mechanicus, A new daily Guild Boss that refreshes every 24 hours. It uses separate attack attempts, rewards Mithril, and can be challenged alongside the existing Guild Boss using decks already used against other bosses. Expanded Guild Boss System, Two Guild Bosses are now available to challenge each day. While rewards have been rebalanced between the two encounters, participating in both battles provides more total rewards than the previous Guild Boss system.   Improvements Increased Hero Summon rates to 4% Legendary and 34% Epic., Increased the maximum number of saved decks from 5 to 10., Added Collect All Rewards buttons to multiple game windows., Reworked Faction Dungeon energy: each dungeon now has its own dedicated energy pool., Improved artifact set auto-equip and added new card and artifact filters., Added instant artifact upgrades., Added a button to instantly apply boss damage using a saved deck. After completing one manual boss battle, you can use the same deck to deal instant damage on subsequent days. If the deck is modified (cards changed or artifacts upgraded), one new manual battle is required to update the saved setup., Added card and artifact recommendations., Hero Summon Tokens can now appear in the Market, with up to 2 available per month., Increased rewards from selected missions, the Tower, Arena daily battles, and the Fortune Wheel., Updated Weekly Calendar rewards, including Mama Yaga as the Day 30 reward.