Theorylytics
PhysicalDestructionMain DPS★★★★★ 5-Star

Phainon

Published Jul 20, 2026 · Updated v3.x
Content Ratings
Memory of ChaosA
Pure FictionB
Apocalyptic ShadowA
Should You Pull?YES

Yes—Phainon is a top Physical Destruction carry. Ultimate “He Who Bears the World Must Burn” hits every enemy on the field in one cast. Best with Sunday / Cerydra / Dan Heng • Permansor Terrae / Bronya. Hypercarry Skill/Ult payoff; wants Advance supports. Skip when you won’t invest in his premium Harmony partners.

Phainon is a 5★ Physical Destruction Main DPS. Skill “Let There Be Light” is the primary in-combat spend. Ultimate “He Who Bears the World Must Burn” is the payoff window for damage or team utility. This Phase 1 page covers kit text, gear targets, and pull notes—team comps stay empty until Phase 2.

PhysicalDestructionMain DPS5★Stride to DeliveranceLet There Be Light

Overview

Quick Build

Light Cone

Thus Burns the Dawn

Signature BiS when owned.

Relic Set

Scholar Lost in Erudition (4pc) + Inert Salsotto (2pc)

Standard Destruction relic direction for Phainon.

Body

CRIT Rate%

Main stat

Feet

ATK%

Main stat

Sphere / Rope

Physical DMG% · ATK%

Substats

CRIT Rate ≥ CRIT DMG > ATK% > SPD

Strengths

  • Ultimate “He Who Bears the World Must Burn” hits every enemy on the field in one cast—most of the kit’s damage lives inside that window, not on filler Basics.
  • “Let There Be Light” Blast-hits the main target plus adjacent enemies, so adjacent elites still take meaningful chip without waiting for Ultimate.
  • Talent “Pyric Corpus” buffs allies’ damage for a short window—ignore it and Phainon plays like a worse generic Destruction unit.
  • Technique “Beginning of the End” hits every enemy on the field in one cast—skipping it is free damage left on the table.

Weaknesses

  • E0 without “Thus Burns the Dawn” is still clearable, but the gap versus a signature copy is larger than a single eidolon for most Destruction carries—plan the cone before deep eidolon hunting.
  • If Energy or Skill Points starve “He Who Bears the World Must Burn”, Phainon spends turns on Basics and the kit’s advertised multipliers never show up on the combat log.
  • Spamming “Let There Be Light” every turn without watching Skill Points strands the rest of the team—Phainon is often the SP sink.
  • If “He Who Bears the World Must Burn” is still offline at the end of a MoC cycle, the build is usually Energy/ERR or rotation order—not a missing CRIT roll.

Trace Priority

1
UltimateHighest

He Who Bears the World Must Burn carries most of the kit’s damage or utility—level this first.

2
SkillHigh

Let There Be Light supports the main rotation—raise after the top priority traces.

3
TalentMedium

Pyric Corpus supports the main rotation—raise after the top priority traces.

4
Basic ATKLow

Stride to Deliverance is last priority outside of filling trace materials.

Stat Priority

1
CRIT Rate~70%+ in combat
2
CRIT DMG140%+
3
ATK2,600+
4
SPDTeam breakpoint
Rotation basics
General

Open with Technique if it helps, spend Skill to advance the kit’s resource, and hold Ultimate for the damage or buff window. Exact teammate order lands in Phase 2.

Supports online

Open supports first, then spend the carry’s Skill/Ult inside the buff window. Exact order varies by the team tab above.

Light Cones

1
Thus Burns the Dawn

5★ · Path cone

The wearer's base SPD increases by 12. When dealing DMG, ignores 0.18% of the target's DEF. After the wearer uses Ultimate, gains "Blazing Sun," which is removed at the start of the turn. While holding "Blazing Sun," increases the wearer's DMG dealt by 0.6%.

Why it works —Signature / best-in-slot when owned—passive lines up with Phainon’s kit triggers.

2
On the Fall of an Aeon

5★ · Path cone

When the wearer attacks, increases their ATK by 0.08% in this battle. This effect can stack up to 4 time(s). After the wearer breaks an enemy's Weakness, increases DMG dealt by 0.12%, lasting for 2 turn(s).

Why it works —Best accessible option for most accounts—raise superimposition when copies drop.

3
A Secret Vow
A Secret VowBF2P Best

4★ · Path cone

Increases DMG dealt by the wearer by 0.2%. The wearer also deals an extra 0.2% of DMG to enemies whose current HP percentage is equal to or higher than the wearer's current HP percentage.

Why it works —Budget path cone—fine while building the account.

4
Under the Blue Sky

4★ · Path cone

Increases the wearer's ATK by 0.16%. When the wearer defeats an enemy, the wearer's CRIT Rate increases by 0.12% for 3 turn(s).

Why it works —Budget path cone—fine while building the account.

Relics

Scholar Lost in Erudition
SScholar Lost in EruditionBest in SlotFarmable
DestructionMain DPS
2PCIncreases CRIT Rate by 8%.
4PCIncreases DMG dealt by Skill and Ultimate by 20%. After using Ultimate, additionally increases the DMG dealt by the next Skill by 25%.
Default cavern direction for Destruction Main DPS builds on Phainon. Swap only if a more specialized set clearly matches a unique kit trigger.
Inert Salsotto
SInert Salsotto
Planar
2PCIncreases the wearer's CRIT Rate by 8%. When the wearer's current CRIT Rate reaches 50% or higher, the DMG dealt by the wearer's Ultimate and Follow-Up ATK increases by 15%.
Planar set aimed at Phainon’s usual combat pattern—farm alongside the cavern set.
Musketeer of Wild Wheat
AMusketeer of Wild WheatFarmable
Farmable
2PCIncreases ATK by 12%.
4PCThe wearer's SPD increases by 6% and DMG dealt by Basic ATK increases by 10%.
Early-game / transitional cavern set while the preferred 4pc comes online.

Team Compositions

Primary hypercarry team for Phainon. Sunday, Cerydra, Dan Heng · PT are the partners the kit / endgame clears assume first.

Character Synergy
Phainon
PhainonMain DPS

Core carry for this shell — owns the damage plan and sets the rotation pace.

Sunday
SundaySupport

Sunday is the Advance / DMG amp — time their Skill/Ult for the carry’s damage window.

Cerydra
CerydraSupport

Cerydra is the Advance / DMG amp — time their Skill/Ult for the carry’s damage window.

Dan Heng · PT

Dan Heng · PT shields the hypercarry and softens MoC / AS chip so glass DPS can commit to Skill spam.

Traces & Eidolons

Traces

Basic ATKStride to Deliverance

Deals Physical DMG equal to 140% of Phainon's ATK to one designated enemy.

Single TargetPhysical
SkillLet There Be Light

Gains 2 point(s) of "Coreflame," dealing Physical DMG equal to 375% of Phainon's ATK to one designated enemy and Physical DMG equal to 150% of Phainon's ATK to adjacent targets.

BlastPhysical
UltimateHe Who Bears the World Must Burn

Transforms into Khaslana. During the transformation, deploys the Territory "Ruinous Irontomb." Within the Territory, other teammates depart and cannot take action, and all enemies have Physical Weaknesses. Khaslana does not enter his own turn, but has 8 Khaslana's extra turn(s), with a SPD set at 60% of Khaslana's base SPD. When the last of Khaslana's extra turns starts, immediately launches a final hit and deals Physical Ultimate DMG equal to 1200% of Khaslana's ATK that is distributed evenly across all enemies.

AoEPhysical
TalentPyric Corpus

Phainon's Talent. When "Coreflame" reaches 12 point(s), can activate Ultimate. Even after reaching the limit, can still hold up to 3 overflow point(s). When the transformation ends, gains "Coreflame" based on the number of overflow points. When Phainon is targeted by an ability from any other target, gains 1 "Coreflame" point. And if the ability is cast by one of Phainon's teammates, can also increase Phainon's CRIT DMG by 38% for 3 turn(s).

EnhancePhysical
TalentFate: Divine Vessel

Khaslana's Talent. Upon transformation, gains 4 point(s) of "Scourge". If this happens during an ally target's turn, then the duration of all buffs on that target is extended by 1 turn and the current turn ends. Khaslana is immune to Crowd Control debuffs, has 1 Enhanced Basic ATK and 2 Enhanced Skills, but cannot use Ultimate. During the transformation, increases ATK by 100% and Max HP by 338%. After using an attack, restores HP equal to 20% of his Max HP. When Khaslana takes a killing blow, he will not get knocked down. Instead, he will restore HP equal to 25% of Max HP and immediately launch a final hit. For every 1 remaining Khaslana's extra turn, the final hit's DMG multiplier decreases by 12.5% of its original multiplier value. When the transformation ends, increases all allies' SPD by 15% for 1 turn.

EnhancePhysical
TechniqueBeginning of the End

While Phainon is in the team, increases Max Technique Points by 3. When actively using this Technique, consumes 2 Technique Points and immediately attacks all enemies within a certain range. After entering combat, regenerates 25 Energy for allies and gains 2 "Scourge" and 1 Skill Point(s). Deals Physical DMG equal to 200% of Phainon's ATK to all enemies at the start of each wave. If attacking a normal enemy, immediately defeats them without entering combat. No Technique Points are consumed if no enemies are hit.

Physical
Basic ATKCreation: Bloodthorn Ferry

Gains 2 point(s) of "Scourge", dealing Physical DMG equal to 350% of Khaslana's ATK to one designated enemy and Physical DMG equal to 105% of Khaslana's ATK to adjacent targets.

BlastPhysical
SkillCalamity: Soulscorch Edict

Gains "Scourge" by an amount equal to the number of enemies and 1 stack of "Soulscorch," then causes all enemies to immediately take action. While in the "Soulscorch" state, Khaslana takes 75% reduced DMG. After an enemy target attacks or takes action, gains 1 more stack of "Soulscorch." After said enemy targets finish their actions, immediately launches Counter, deals Physical DMG to all enemies equal to 50% of Khaslana's ATK, and additionally deals 4 instance(s) of DMG, with each instance being Physical DMG equal to 38% of Khaslana's ATK dealt to one random enemy. Afterward, "Soulscorch" is dispelled. Each "Soulscorch" stack increases the DMG multiplier of said Counter by 20% of its original multiplier value. DMG dealt through this ability is considered as Skill DMG. If "Soulscorch" is still active at the start of Khaslana's extra turn, immediately launches Counter.

EnhancePhysical
SkillFoundation: Stardeath Verdict

Dispels all debuffs on this unit, then deals Physical DMG equal to a max of 1463% of Khaslana's ATK. For every 1 point of "Scourge" consumed, deals 4 instance(s) of DMG, with each instance being Physical DMG equal to 56.3% of Khaslana's ATK dealt to one random enemy. When consuming 4 point(s) of "Scourge", additionally deals Physical DMG equal to 563% of Khaslana's ATK, which is evenly distributed across all enemies.

BouncePhysical

Eidolons

1
E1
2
E2
3
E3
4
E4
5
E5
6
E6
E1Fire and Light Bind Virtue and VicePull Target

The base SPD inheritance ratio for Khaslana's extra turn increases to 66%. For every enemy target defeated in one battle, additionally increases this ratio by 1.5%, up to a max of 84%. When using Ultimate, increases CRIT DMG by 50%, lasting for 3 turn(s).

Is it worth getting?

Early spike: Enhanced attacks that defeat or Break a target grant an immediate extra turn (short internal cooldown). Worth considering as a first vertical stop if you already play Phainon every MoC.

E2Sky and Earth Churn Mortal FrothPull Target

Khaslana's Physical RES PEN increases by 20%. When one use of "Foundation: Stardeath Verdict" consumes 4 "Scourge" point(s), gains 1 extra turn.

Is it worth getting?

Defining stop for many accounts: Grants an extra turn when the listed condition fires. Pull here if you main Phainon; this is the eidolon that changes how the kit is played.

E3Depths of Quiet, Entombed in Ruin

Ultimate Lv. +2, up to a maximum of Lv. 15. Basic ATK Lv. +1, up to a maximum of Lv. 10.

Is it worth getting?

Ultimate + Basic ATK levels only (+2). Free if you roll into it; never spend currency aiming for E3.

E4Faces of Titans, Blurred by Time

When using "Calamity: Soulscorch Edict," additionally gains 4 stack(s) of "Soulscorch."

Is it worth getting?

Side-grade: When using "Calamity: Soulscorch Edict," additionally gains 4 stack(s) of "Soulscorch.". Happy if it drops; not a planned stopping point.

E5The Wheel Spins ForevermoreSkip

Skill Lv. +2, up to a maximum of Lv. 15. Talent Lv. +2, up to a maximum of Lv. 15.

Is it worth getting?

Skill + Talent levels only (+2). Skip as a goal—grab it if you overshoot toward E6, never hard-pity for it.

E6Embers of Old Rise Still

The number of overflow points allowed for "Coreflame" no longer has an upper limit. When the battle starts, gains 6 point(s) of "Coreflame." After using the attack from "Foundation: Stardeath Verdict," additionally deals True DMG equal to 36% of the total DMG dealt in this attack to the enemy target with the highest HP.

Is it worth getting?

Whale ceiling: The number of overflow points allowed for "Coreflame" no longer has an upper limit. Only chase if Phainon is your dedicated Destruction main and E0–E2 already feel finished.

Phainon is fully usable at E0. Dedicated mains often stop at E0 before chasing higher. First stop: E0. Endgame target: E0.

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