 | Description | For reasons unknown, some dark mud-like substance has come pouring out of the caverns and mines of The Chasm. Help a Sumeru researcher deal with this crisis. |
| Guide | Go forth into The Chasm and help a researcher from Sumeru settle an ongoing crisis in which dark mud is spewing forth from its depths! Reach Adventure Rank 28 and complete the following requisites: complete the "Surreptitious Seven-Star Seal Sundering" World Quest to unlock the Underground Mines of The Chasm and obtain the Lumenstone Adjuvant in "Chasm Spelunkers" and upgrade it to Level 2. From the first day of the event, a new quest will unlock each day. You must complete the previous day's quest to accept the newly-unlocked one. Complete the quests on each day to obtain the corresponding rewards. |
| Table of Content |
| Objectives |
| BP Missions |
| Quests |
| Reward (Total) |
Objectives
| Objectives | Progress | Reward |
| Complete the day's event quest | 0 / 1 |  80 40000 2 4 |
| Complete the day's event quest | 0 / 1 | 8040000 2 4 |
| Complete the day's event quest | 0 / 1 | 8040000 2 4 |
| Complete the day's event quest | 0 / 1 | 804000024 |
| Attained a combined challenge stage score of 2000 | 0 / 1 | 5024 |
| Attained a combined challenge stage score of 3000 | 0 / 1 | 5024 |
| Attained a combined challenge stage score of 4000 | 0 / 1 | 20000 4 4 |
BP Missions
| Objectives | Progress | Reward |
| Score 2000 points in the "Continued Cleanup" phase of the "Muddy Bizarre Adventure" event | 0 / 1 |  1500 |
Quests
| Icon | Name | Description | Shown | Rewards |
 | A Muddy Bizarre Adventure | Katheryne seems to be having some trouble with a commission that concerns The Chasm... | ✅ | |
 | Spike Self-Circulation Report: Abstract | Assist the researcher from Sumeru in initializing the Pursina's Spike to clear the dark mud from the mining complex of The Chasm. | ✅ | |
 | Spike Self-Circulation Report: Environs Log | While you attempted to move the Pursina's Spike into the frontline mines, you face a significant number of obstacles... | ✅ | |
 | Spike Self-Circulation Report: Experimental Procedure | Hosseini has finally figured out how to get the Pursina's Spike into the depths of the mines... | ✅ | |
 | Spike Self-Circulation Report: Conclusion | Now that you have transported the Spike to the deepest section, all that is left to do is to activate it and close the Ley Line rupture. | ✅ | |
 | A Muddy Bizarre Adventure | The Sumeru researcher Khedive, who is conducting research as part of the exploration team, seems to be troubled about the environment within The Chasm. | ✅ | |
 | Spike Self-Circulation Report: Abstract | Assist the researcher from Sumeru in initializing the Pursina's Spike to clear the dark mud from the mining complex of The Chasm. | ✅ | |
 | Spike Self-Circulation Report: Environs Log | While you attempted to move the Pursina's Spike into the frontline mines, you face a significant number of obstacles... | ✅ | |
 | Spike Self-Circulation Report: Experimental Procedure | Hosseini has finally figured out how to get the Pursina's Spike into the depths of the mines... | ✅ | |
 | Spike Self-Circulation Report: Conclusion | The Spike is gradually sealing the Ley Line rupture up. Inform Hosseini of this result. | ✅ |
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