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Assemble! Mock Exam Comeback Plan/Stages

Last updated 2026-08-04

EventStoryStagesCombat ArchiveRewards

Simulated Frontline

Name Description Recommended Agent
Tactics Introduction Learn the basic controls and rules of gameplay Velina
Half-Screen DMG Auto-Reply
Simulated Frontline (I)
  • Increased drop chance for marbles with the Single-Target trait.
  • Large-sized Ethereals appear, taking up more space and boasting higher HP.
  • Fast-moving Ethereals appear — eliminate them quickly!
  • Boss Ethereals don't just have massive Health — they can also unleash a rapid, seamless barrage of marbles. Stay sharp!
 Velina
Half-Screen DMG Auto-Reply
Simulated Frontline (II)
  • Increased drop chance for marbles with the Pierce trait.
  • Shield-bearing Ethereals appear. Most marbles can't penetrate their shields to inflict damage.
  • Defeat an Ethereal's main body to simultaneously destroy the shield it carries.
  • Boss Ethereals will summon moving shields. Recommend using Agents with Sheer DMG capabilities to counter.
 Hoshimi Miyabi
Full-Screen DMG Counter Enhance
Simulated Frontline (III)
  • Increased drop chance for marbles with the Split trait.
  • Ethereals that summon unstoppable Meteorite attacks at random locations will appear.
  • Ethereals that fire black marbles will appear — getting hit by them will briefly slow movement speed.
  • The Boss Ethereal uses leap attacks and floods the field with slowing marbles. Using high-mobility Agents is recommended.
 Starlight - Billy
Invulnerable Dodge High Move Speed High Fire Rate
Simulated Frontline (IV)
  • Increased drop chance for marbles with the AoE trait.
  • Poison terrain appears. Standing in it continuously deals damage.
  • Large numbers of Ethereals capable of firing laser and slowing marbles appear.
  • The Boss monster summons other Ethereals and can cause poison to spread across parts of the ground. Recommend using Agents that can counter terrain effects.
 Sigrid
Invulnerable Charge Health Recovery
Simulated Frontline (V)
  • Final Assessment: Environment Effect — "No Special Drops"
  • Ethereals are distributed more diversely, with 2 Elite Ethereals appearing simultaneously mid-run.
  • The Boss Ethereal not only uses some skills from previous Bosses, but can also unleash large area attacks.
  • Against a wide variety of Ethereals, level up quickly to Enhance your marbles as much as possible — it might be the key to suppressing them.
 Norma
Burst Fire Efficiency Level Up

Critical Showdown

Name Description Recommended Agent Boss
Critical Showdown (I)
  • You can challenge this using any recorded data from a completed Simulated Frontline run.
  • Boss Ethereals have higher stats than in Simulated Frontline.
 Velina
Half-Screen DMG Auto-Reply 		Rapid Fire Warlord
Critical Showdown (II)
  • You can challenge this using any recorded data from a completed Simulated Frontline run.
  • Compared with Simulated Frontline, Boss Ethereals summon more shields and can continuously summon Ethereals.
 Hoshimi Miyabi
Full-Screen DMG Counter Enhance 		Iron Bastion Guardian
Critical Showdown (III)
  • You can challenge this using any recorded data from a completed Simulated Frontline run.
  • Compared with Simulated Frontline, Boss Ethereals use their skills more frequently and pose a greater threat.
 Starlight - Billy
Invulnerable Dodge High Move Speed High Fire Rate 		Shadowflash Hunter
Critical Showdown (IV)
  • You can challenge this using any recorded data from a completed Simulated Frontline run.
  • Compared to "Simulated Frontline," the Ethereals summoned by the Boss are stronger, and can cause more ground areas to generate poison.
 Sigrid
Invulnerable Charge Health Recovery 		Miasma Envoy
Critical Showdown (V)
  • You can challenge this using any recorded data from a completed Simulated Frontline run.
  • Compared to Simulated Front, the Boss Ethereal fires more marbles, and ground spikes leave behind poison pools upon exploding.
 Norma
Burst Fire Efficiency Level Up 		Abyss Overlord
Deep Simulation
  • Final Assessment! Challenge 3 Boss Ethereals consecutively.
  • The first two Ethereal bosses defeated will drop recovery items and treasure chests at the spots where they fall.
  • Boss Ethereals have increased aggression and damage. They're dangerous, so dodge carefully!
 No recommendations for this stage. Iron Bastion Guardian, Shadowflash Hunter, Abyss Overlord