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Belphegar Build Guide

Belphegar portrait

Belphegar

Disruptor class icon
Bikta
SR Chaos Disruptor Disruptor

Belphegar is a pure control specialist: her ULT raises ALL enemy skill cooldowns by 58% for 10 seconds, her auto cuts the strongest enemy's Crit Rate and Crit DMG by 24%, and her passive applies [Sloth] (−58% Attack Speed) with every skill and ULT. In PvP she turns the enemy team off; in PvE she is situational but trivializes rage-timer content.

Skill Priority

Skill level recommendations:

1
Ultimate: Seven Sins: Sloth
Level 14
Energy Cost: 3 Cooldown: 1.0s Deals 120% Attack as chaos damage to all targets And increases their skill cooldown time by 58% for 10 seconds
2
Auto Skill: Power of the Blanket
Level 14
Cooldown: 5.0s Attacks the enemy with the highest Attack, dealing 120% Attack as chaos damage And reducing their Critical Rate and Critical Damage by 24% for 10 seconds
3
Passive: Have a Good Nap~
Level 14
When dealing damage with a skill or ULT, additionally applies [Sloth], reducing the target's Attack Speed by 58% for 10 seconds
4
Normal Attack: Fatigue Bombardment
Level 14
Cooldown: 2.0s Deals 120% Attack as chaos damage to the targeted enemy unit

Recommended Memory Cards

These are the best memory cards for Belphegar:

The Reason for Slumber memory card
The Reason for Slumber ★ Exclusive
Highly Recommended
ULT reduces the target's Energy Gain Efficiency by 18%
Stats: HP 5,000 / ATK 500 / DEF 500
The Knight and the Fuzzy memory card
The Knight and the Fuzzy
Highly Recommended
ATK +40%. Enemies hit by the Ultimate gain [Frontline Edict] for 7s. Targets within 3m also gain [Enhanced Frontline Edict]. [Frontline Edict]: DEF -12.5%. Energy Gain Efficiency -10%. [Enhanced Frontline Edict]: DEF -45%. Energy Gain Efficiency -30%.
Stats: HP 6,000 / ATK 600 / DEF 600

Alternative Memory Cards

Good alternative options if you don't have the recommended cards:

A perfect makeup look? memory card
A perfect makeup look?
Attack power increased by 40%. When a Ultimate Skill deals damage, the target takes 36% more damage and receives 40% less healing for 5 seconds.
Stats: HP 6,000 / ATK 600 / DEF 600
Discipline Director memory card
Discipline Director
Attack Power increases by 40%. When the wearer's skill or ultimate hits a target that target's healing received is reduced by 12% and shielding received is reduced by 10% for 3 seconds. This effect cannot stack. If the target has a shield at that time the target's damage dealt is reduced by 18% for 3 seconds. This effect cannot stack.
Stats: HP 6,000 / ATK 600 / DEF 600
Nutrition Studies memory card
Nutrition Studies
Increases HP by 40% and increases the attack power of the entire team by 20%. After the wearer uses the skill, they inflict the Drain debuff on all enemies. Drain reduces their energy regeneration efficiency by 10% and increases the energy regeneration efficiency of all allies by 10% for 4 seconds.
Stats: HP 6,000 / ATK 600 / DEF 600

Runes Priorities

Focus on these rune stats for Belphegar:

Primary Stat:
Attack%
Secondary Stat:
Crit Rate

Highly Recommended Stats:

ATK% Crit Rate%

Additional Stats:

Crit DMG% Penetration ATK
Build Note: Debuffs land regardless, but ATK keeps the damage relevant: balance offensive stats with debuff uptime.

Recommended Rune Sets:

Skota.webp rune (4-piece)
4-piece
+
Epsilon rune (2-piece)
2-piece
Skota 4-piece + Epsilon 2-piece
2-piece (Skota): Chaos damage increased by 10%
4-piece (Skota): Attack Power increased by 12%. Chaos resistance penetration increased by 12% during the release of the Ultimate Skill (triggers at most once every 5 seconds)
2-piece (Epsilon): Attack increases by 8%

Alternative Builds:

Giants rune (4-piece)
4-piece
+
Skota.webp rune (2-piece)
2-piece
Iota 4-piece + Skota 2-piece
2-piece (Iota): Attack Power increased by 8%
4-piece (Iota): When the wearer is a Disruptor, dealing damage with an Ultimate Skill increases the target’s damage taken by 10% for 5 seconds (does not stack)
2-piece (Skota): Chaos damage increased by 10%

Main Stats by Position

Recommended main stats for each rune position for Belphegar:

Position 1: Fixed Main Stat

HP (Flat Value)

Always HP - no other options

Position 2: Fixed Main Stat

Attack (Flat Value)

Always Attack - no other options

Position 3: Fixed Main Stat

Defense (Flat Value)

Always Defense - no other options

Position 4: Variable Main Stats

Available Options:
Healing Effectiveness (%) Critical Rate (%) Critical Damage (%) Attack Penetration (%) Attack (%) HP (%) Defense (%)

Pick the recommended stat pair that matches the rune build below.

Position 5: Variable Main Stats

Available Options:
Wind Attribute Damage (%) Fire Attribute Damage (%) Ice Attribute Damage (%) Holy Attribute Damage (%) Chaos Attribute Damage (%) Attack (%) HP (%) Defense (%)

Position 6: Variable Main Stats

Available Options:
Attack (%) HP (%) Defense (%)

Awakening Priority

A2 is the biggest early jump, then A4. A3/A5 raise skill level caps (+2 each) and are dupe-gated: take A6 last for the team-wide bonus.

A1 Good

When a skill attacks a target with negative effects, skill multiplier increases by 30%

A2 Very Good

Normal attacks deal additional Chaos</color> damage equal to 20% of Attack

A3 Mid

[Skill] and [Normal Attack] level and level cap +4

A4 Good

Attack increases by 20%

A5 Mid

[ULT] and [Passive] level and level cap +4

A6 Good

ULT additionally reduces the target's ULT damage by 20% for 5 seconds

Team Synergy

Good Teammates:

NiniGluttony - BeelzebubErikaFriggaHelaFreya

Stack her with other control Disruptors to chain-cooldown-lock enemy teams in PvP.