[About]
Around a Sonoro Sphere, you run across a troubled researcher, who seems to have an important job to do...

[Eligibility]
Reach Union Level 14 and unlock the Resonance Nexus of the Startorch Academy during Main Quest "What Burns Beneath Frostlands"

[Event Rules]
1. During the event, you will enter a special Sonoro Sphere to battle waves of enemies within a set time limit, with the aid of unique buffs.
2. You collect Coins by dealing damage to enemies, and lose Coins when taking damage.
3. Advance through enemy waves unlocks more special buffs to give you the support you need.
4. Clearing a wave grants bonus time. The Coins you have collected by the end of the countdown will be your Coins record of this stage.