Covert Operation
Bosses and PvE
Deploy Heroes to complete Covert Operations and claim generous rewards
How Covert Operation works: rules and phases →
Daily board calculator
Each day the board offers 7 quests from the list below by their chance, plus 1 more from the SSR and UR quests. The star quest is extra and refreshes every 3 days.
| Quest | Chance | Time | Reward |
|---|---|---|---|
| Treat critically ill patients SR Heroes: 2 × level 80+ | 17% | 0.5 h | |
| Recover valuable mineral resources SR Heroes: 2 × level 80+ | 17% | 0.5 h | |
| Salvage Discarded Gear SR Heroes: 2 × level 80+ | 17% | 0.5 h | |
| Investigate the Black Wizard's whereabouts SR Heroes: 2 × level 80+ | 17% | 0.5 h | |
| Locate Missing Personnel SSR Heroes: 2 × level 90+, 2 × quality SSR | 6% | 1 h | |
| Explore the treasure map SSR Heroes: 2 × level 90+, 2 × quality SSR | 6% | 1 h | |
| Repair the mine facilities SSR Heroes: 2 × level 90+, 2 × quality SSR | 6% | 1 h | |
| Rescue the Royal City Guards SSR Heroes: 2 × level 90+, 2 × quality SSR | 6% | 1 h | |
| Rescue the Officer UR Heroes: 3 × level 100+, 1 × quality UR, 2 × 3+ stars | 2% | 2 h | |
| Mineral Extraction UR Heroes: 3 × level 100+, 1 × quality UR, 2 × 3+ stars | 2% | 2 h | |
| Clear Mutant Blights UR Heroes: 3 × level 100+, 1 × quality UR, 2 × 3+ stars | 2% | 2 h | |
| Rescue healthy survivors UR Heroes: 3 × level 100+, 1 × quality UR, 2 × 3+ stars | 2% | 2 h | |
| Repel the Horde UR Heroes: 3 × level 110+, 2 × quality UR, 1 × 4+ stars | Star quest | 4 h |
Average haul of one day at this difficulty:
The average counts the star quest as a third of a day. Helping an alliance member gives a separate smaller reward.
Treasure Maps
SSR and UR quests also give treasure map chests. A chest is SR, SSR or UR; if no UR chest comes up, the 16th opening is guaranteed UR.
Map fragments: No.1 Treasure Map Shard, No.2 Treasure Map Shard, No.3 Treasure Map Shard, No.4 Treasure Map Shard, No.5 Treasure Map Shard, No.6 Treasure Map Shard, No.7 Treasure Map Shard.
UR chest: 10%
| 9.1% | |
| 4.6% | |
| 4.6% | |
| 9.1% | |
| 9.1% | |
| 9.1% | |
| 9.1% | |
| 9.1% | |
| 9.1% | |
| 8.1% | |
| 8.1% | |
| 8.1% | |
| 3% |
SSR chest: 30%
| 5% | |
| 5% | |
| 10% | |
| 10% | |
| 10% | |
| 10% | |
| 10% | |
| 10% | |
| 9% | |
| 9% | |
| 9% | |
| 3% |
SR chest: 60%
| 11.1% | |
| 11.1% | |
| 11.1% | |
| 11.1% | |
| 11.1% | |
| 11.1% | |
| 10% | |
| 10% | |
| 10% | |
| 3.3% |