• Requirement: Team level 45.
• Attempts: 4 daily (if you lose the fight an attempt won't be lost). The attempts reset at 00:00 by server time.
• Boss: Change daily.
• Boss Power: Each boss has its own characteristics check the BOSS STRENGTH details
• Boss Drops: The quantity of items depend on the challenge type. Actually only Trial Ore are rewarded.
• Trial Ore: Is used on the Rune system where you use it to unlock the Rune of a hero's skill. This item cannot be sold.

Item A - Check the current Boss info

Item B - Boss Strength details the boss abilities

Item C - Recommended Array suggests heroes effective against the current boss

Item D - Attempts left

Item E - Choose Mode directs you to the fighting menu

Item F - Each day the boss change

3. To fight click on the Challenge Mode.

* You have 4 daily attempts(item A). You won't lose attempt if you lose the battle.

* You can choose the difficulty of each challenge (items B & C, click the challenge button below the desired difficulty)