Remnants of Twilight/Stages
Last updated 2026-02-02
Earthshaker Leo
Special Mechanism
"Back Row Target": Some enemy targets in the back row cannot be targeted by "Single Target ATK" and "Blast" abilities. Defeating back row targets will increase the DMG dealt to the enemy boss by up to 2000%. This effect will be removed when the enemy boss transitions phases.
- Nightmare Plug-in
Buffs from enemies with "Back Row Target" will increase the enemy boss's DMG.
Challenge Strategy
Use "AoE ATK" abilities to prioritize defeating enemy Back Row Targets, and attack after increasing the DMG received by the enemy boss.
Challenge Goal
- Easy
- Complete the Easy difficulty challenge
- Hard
- Defeat the Phase 1 of the enemy boss in the Hard difficulty for the challenge
- Complete the Hard difficulty challenge and defeat "Spirithief" on the enemy back row at least 2 time(s)
- Complete the Hard difficulty challenge and defeat "Spirithief" on the enemy back row at least 3 time(s)
- Nightmare
- Complete the Nightmare difficulty challenge
- Complete the Nightmare difficulty challenge and defeat "Spirithief" on the enemy back row at least 2 time(s)
- Complete the Nightmare difficulty challenge and defeat "Spirithief" on the enemy back row at least 3 time(s)
Enemy Catalog
- Easy
- Hard
- Nightmare
Trial Characters
- Lineup Hint
"AoE ATK", "Bounce", and "Follow-Up ATK" abilities can hit enemy Back Row Targets.
| Character & Light Cone | Skills & Relics | Attributes |
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| Relic Level 15 | ||
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| Relic Level | ||
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| Relic Level | ||
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| Relic Level | ||
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| Relic Level |
Corrupting Shadowfiend
Special Mechanism
"HP Overload": Both ally and enemy units' HP can be reduced below 0 without being knocked down. When "Overload Settlement" on the action bar takes action, HP calculation will be performed. Units with HP below 0 will receive fatal damage. When there are enemy summons that are still undefeated, reduces 99% of DMG taken by all enemy targets.
- Nightmare Plug-in
Greatly increases DMG dealt by all enemy targets.
Challenge Strategy
Enemy targets in this stage have lower HP but deal higher DMG. Before "Overload Settlement" takes action, use healing to prevent ally units' HP from dropping below 0.
Challenge Goal
- Easy
- Complete the Easy difficulty challenge
- Hard
- Defeat the Phase 1 of the enemy boss in the Hard difficulty for the challenge
- Complete the challenge on Hard difficulty without any character's "HP Overload" exceeding 18,000 during combat
- Complete the challenge on Hard difficulty without any character's "HP Overload" exceeding 10,000 during combat
- Nightmare
- Complete the Nightmare difficulty challenge
- Complete the challenge on Nightmare difficulty without any character's "HP Overload" exceeding 18,000 during combat
- Complete the challenge on Nightmare difficulty without any character's "HP Overload" exceeding 10,000 during combat
Enemy Catalog
- Easy
- Hard
- Nightmare
Trial Characters
- Lineup Hint
It is recommended to select multiple characters who excel at shielding and healing to protect your ally units' HP.
| Character & Light Cone | Skills & Relics | Attributes |
|---|---|---|
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| Relic Level 15 | ||
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| Relic Level 15 | ||
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| Relic Level 15 | ||
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| Relic Level 15 | ||
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| Relic Level 15 |
Greatsword Guardian
Special Mechanism
"HP Count": Both ally and enemy units have an "HP Count." Instead of losing HP when attacked, they will lose "HP Count" points. When the "HP Count" reaches zero, the unit will be knocked down. Ally characters can recover their "HP Count" by defeating enemy targets.
- Nightmare Plug-in
Allies start with lower "HP Count," enemies start with higher "HP Count."
Challenge Strategy
Prioritize enemy targets with lower "HP Count." Try to have ally targets with lower "HP Count" deal the final hit to restore "HP Count."
Challenge Goal
- Easy
- Complete the Easy difficulty challenge
- Hard
- Defeat the Phase 1 of the enemy boss in the Hard difficulty for the challenge
- Complete the Hard difficulty challenge with all ally characters having at least 6 "HP Count"
- Complete the Hard difficulty challenge with all ally characters having at least 10 "HP Count"
- Nightmare
- Complete the Nightmare difficulty challenge
- Complete the Nightmare difficulty challenge with no more than 1 downed ally character(s)
- Complete the Nightmare difficulty challenge without any ally character getting knocked down
Enemy Catalog
- Easy
- Hard
- Nightmare
Trial Characters
- Lineup Hint
Recommended to select characters with high attack frequency, as healing and shielding effects cannot prevent "HP Count" from decreasing.
| Character & Light Cone | Skills & Relics | Attributes |
|---|---|---|
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| Relic Level 15 | ||
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| Relic Level 15 | ||
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| Relic Level 15 | ||
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| Relic Level 15 | ||
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| Relic Level 15 |
Synergy Duo
Special Mechanism
"Dual Battlefield": All targets are split between two battlefields. Friendly and non-friendly targets cannot attack targets on a different battlefield. At the start of the battle, half of ally characters will be selected to enter the Dark Duelist battlefield, while the remaining characters will enter the White Guard battlefield. When any enemy boss is defeated, if the other boss is still alive, the defeated boss will revive on their next turn.
- Nightmare Plug-in
Increase DMG dealt by the Boss Enemy's with every action.
Challenge Strategy
Keep both enemy bosses' remaining HP close to defeat them simultaneously and prevent them from reviving.
Challenge Goal
- Easy
- Complete the Easy difficulty challenge
- Hard
- Defeat the Phase 1 of the enemy boss in the Hard difficulty for the challenge
- Complete the Hard difficulty challenge with the enemy boss triggering revive fewer than 2 time(s)
- Complete the Hard difficulty challenge with the enemy boss triggering revive fewer than 1 time(s)
- Nightmare
- Complete the Nightmare difficulty challenge
- Complete the Nightmare difficulty challenge with the enemy boss triggering revive fewer than 2 time(s)
- Complete the Nightmare difficulty challenge with the enemy boss triggering revive fewer than 1 time(s)
Enemy Catalog
- Easy
- Hard
- Nightmare
Trial Characters
- Lineup Hint
It is recommended to select two damage-dealing characters to engage the enemy bosses in two separate battlefields.
| Character & Light Cone | Skills & Relics | Attributes |
|---|---|---|
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| Relic Level 15 | ||
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| Relic Level 15 | ||
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| Relic Level 15 | ||
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| Relic Level 15 | ||
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| Relic Level 15 |
Gameplay Notes
When there's only one character on the battlefield, two Bosses will be presented at the same time, and their damage will be increased by Transcription missing%.
Elegy Siren
Special Mechanism
"Phantom Illusion": After receiving a certain number of attacks from allies, the enemy boss will transform one of your ally characters into a controllable "Hallucinogenic Mermaid." The "Hallucinogenic Mermaid" cannot receive healing or Shield effects. When defeated, it deals massive damage to all allies. When "Hallucinogenic Mermaid" uses Skill, it applies a DoT effect based on the target's max HP and triggers additional DoT calculations. Using Basic ATK will dispel the "Phantom Illusion" state.
- Hallucinogenic Mermaid Abilities
| Ability | Type | Tag | Toughness Reduction | Effect |
|---|---|---|---|---|
| Awakening in the Waves | Basic ATK | Single Target | 10 | Deals Ice DMG equal to 300% of "Hallucinogenic Mermaid's" ATK to one designated enemy, with a 100% base chance to inflict the "Glacial Erosion" state on the targets for 3 turn(s). At the same time, "Hallucinogenic Mermaid" will be knocked down and dispels the "Phantom Illusion" state. While in "Glacial Erosion" state, enemy targets take Ice DoT equal to 2% of their Max HP at the start of each turn. This "Glacial Erosion" state is stackable. |
| Undine's Fluttering Hem | Skill | Blast | 20 | Deals Ice DMG equal to 300% of "Hallucinogenic Mermaid's" ATK to one designated enemy and adjacent targets, with a 100% base chance to inflict the "Glacial Erosion" state on the targets for 3 turn(s). All DoT debuffs currently applied on attacked enemy targets immediately deal DMG equal to 100% of the original DMG. Using this ability does not consume Skill Points. While in "Glacial Erosion" state, enemy targets take Ice DoT equal to 2% of their Max HP at the start of each turn. This "Glacial Erosion" state is stackable. |
| River of Souls' Intolerable Solitude | Talent | "Hallucinogenic Mermaid": Initial HP reduced by 60%, and they cannot receive healing or Shield Effects, but their SPD increases by 100%. When this unit receives a killing blow, deals Ice DMG equal to 50% of "Hallucinogenic Mermaid's" initial HP to all ally targets and dispels the "Phantom Illusion" state. |
- Nightmare Plug-in
The enemy boss's DoT effect on ally targets cannot be dispelled.
Challenge Strategy
Use Skill and stack as many powerful DoT effects as possible while in the "Hallucinogenic Mermaid" state to deal massive DMG. If the "Hallucinogenic Mermaid" is about to be defeated, prioritize using Basic ATK to dispel the "Phantom Illusion" state to prevent teammates from taking DMG.
Challenge Goal
- Easy
- Complete the Easy difficulty challenge
- Hard
- Defeat the Phase 1 of the enemy boss in the Hard difficulty for the challenge
- Complete the Hard difficulty challenge with ally "Hallucinogenic Mermaid" receiving fatal damage fewer than 3 time(s)
- Complete the Hard difficulty challenge with ally "Hallucinogenic Mermaid" receiving fatal damage fewer than 2 time(s)
- Nightmare
- Complete the Nightmare difficulty challenge
- Complete the Nightmare difficulty challenge with ally "Hallucinogenic Mermaid" receiving fatal damage fewer than 3 time(s)
- Complete the Nightmare difficulty challenge with ally "Hallucinogenic Mermaid" receiving fatal damage fewer than 2 time(s)
Enemy Catalog
- Easy
- Hard
- Nightmare
Trial Characters
- Lineup Hint
It is recommended to select characters who can support "Hallucinogenic Mermaid" to maximize the powerful DoT damage dealt by its Skill.
| Character & Light Cone | Skills & Relics | Attributes |
|---|---|---|
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| Relic Level 15 | ||
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| Relic Level 15 | ||
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| Relic Level 15 | ||
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| Relic Level 15 | ||
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| Relic Level 15 |