HSR Sunday Build Guide: 190%+ CRIT DMG & 100% Action Advance (2.7)

Sunday drops as a 5-star Imaginary Harmony on December 4, 2024, in Version 2.7. We're talking 100% action advance on his Skill. Talent pumps CRIT Rate. Builds hit 190%+ CRIT DMG. He slots perfectly into SP-neutral Jing Yuan squads. And yeah, E0 is F2P-friendly for Remembrance teams.

Getting to Know Sunday in Honkai Star Rail

His Skill? A 30-50% DMG buff (50% on summons), hands out +1 SP, and forwards the target's action by 100% – Harmony units excluded, naturally. Ultimate brings 20% Energy regen. Talent: 20% CRIT Rate for 3 turns, scaling to 60% at E6 with that sweet 1:2 excess CRIT DMG conversion.

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Breaking Down Sunday's Full Kit

Basic ATK: Straight 100% ATK Imaginary DMG. At 2500 ATK, that's 2500 raw damage. Filler move, mostly.

Skill shines here – targets a summon DPS for a 50% boost (think Jing Yuan's Lightning-Lord), tosses +1 SP your way, and advances their action 100%. Play it like this: 1. Skill the summon DPS. 2. Ride that enhanced turn.

Ultimate: 20% Max Energy plus Beatified state (CRIT DMG +30%, and Sunday's own CRIT DMG adds +12% to targets, lasting 3 turns and dropping -1/turn). Pump Sunday to 200% CRIT DMG? That's +72% on your carry. Rotation tip: 1. Ult a low-Energy DPS. 2. Cycle to keep it rolling.

Talent: Triggers 20% CRIT Rate for 3 turns after Skill – E6 stacks it to 60% over 3 Skills, +1 turn duration. Technique? Entry boost to all allies and summons DMG, plus 50% first ally ability DMG for 2 turns. Game-changer.

Sunday's Talents and Passives, Unpacked

Talent builds stacks via Skills toward that 60% CRIT Rate at E6, converting excess 1:2 into CRIT DMG. Do it: 1. Spam Skills. 2. Pair with high base CRIT Rate DPS to overflow.

Passives? CRIT DMG 5.3-10.7%, Effect RES 4-8%, Energy Regen. For max uptime: Technique before battle, Ult cycle to slap Beatified on summons.

Trace Priorities for Sunday in HSR

Skill = Talent = Ultimate > Basic ATK. Materials stack up like this: 8 Tracks of Destiny, 12 Lost Echo of the Shared Wish, 18 Firmament Note, 41 Tatters of Thought, 56 Fragments of Impression, 58 Shards of Desires, 69 Celestial Section, 139 Heavenly Melody, 3M Credits.

Ascension path:

1. Lv20: 5 Tatters +4k Credits.
2. Lv30: 10 Tatters +8k Credits.
3. Lv40: 6 Fragments +3 Chordal Mirage +16k Credits.
4. Lv50: 9 Fragments +7 Mirage +40k Credits.
5. Lv60: 6 Shards +20 Mirage +80k Credits.
6. Lv70: 9 Shards +35 Mirage +160k Credits.

Unlock CRIT DMG nodes after traces; hit weekly bosses for Desires/Shards. (Pro tip from the editor: Stockpile those now – Version 2.7 waits for no one.)

Eidolons: Worth Chasing?

E0 baseline: SP-neutral with +1 SP on Skill. E1: 16% DEF ignore on attacks, 40% on summons. E2: Beatified gains SPD, +2 SP post-Ultimate, +30% Ult/Beatified DMG.

E3: Ult +2 levels (max 15), Basic +1 (max 10). E4: 8 Energy at turn start. E5: Skill/Talent +2 (max 15). E6: Full 3-stack Talent with CRIT DMG conversion. E0-S1 keeps F2P humming at 20% CRIT Rate + advances.

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Top Light Cones for Sunday

Chorus for +8% ally ATK. Mediation pushes +12% SPD. Go: 1. Chorus if ATK buffs rule. 2. Mediation for 160+ SPD spins. F2P? Crank Energy Regen to 119.44%+.

Best Relics and Ornaments Setup

Sacerdos x4 paired with Lushaka or A Grounded Ascent. Or mix Sacerdos x2 + Messenger x2 with Sprightly Vonwacq/But the Battle Isn't Over. Targets: HP 4200+, DEF 1100+, CRIT DMG 190%+, Energy Regen 119.44%+, SPD 134 (-1) or 160+.

Body: CRIT DMG. Subs: CRIT DMG > SPD > Energy Regen. Farm plan: 1. Sacerdos for that DMG amp. 2. Dial SPD to -1 for smooth cycles. Ever tried breaking 200% CRIT DMG on a support? Feels illegal.

Killer Team Comps for Sunday

F2P starter: Sunday + DPS + Asta. Summon beast: Sunday + Jing Yuan + Robin + Aventurine (50% DMG +100% Lightning-Lord advance). Hypercarry: Sunday + Jingliu + Robin + Huohuo. Duo DPS: Sunday + Himeko + Jade + Aventurine (SP-neutral glory).

Run it: 1. Skill the summon DPS. 2. Ult for Energy/CRIT DMG. 3. Technique pre-fight. (Editor aside: Jing Yuan mains, this is your sign.)

How Sunday Stacks Up Against Other Harmony Supports

Sunday brings 100% action advance, 50% summon DMG, +1 SP per Skill. Data shows he's essential for Jing Yuan's Lightning-Lord sustainability. Beats generic Harmony on summon buffs + SP neutrality.

Quick compare:

• Action Advance: Sunday 100%, others? Typically zilch.
• Summon DMG: Sunday 50%, others variable.
• SP Recovery: Sunday +1 on Skill, others neutral or draining.

Must-Pull or Pass? My Pull Guide

He's the SP-neutral summon lord from Version 2.7 on. Pull hard for Jing Yuan or Robin setups. Skip if you're all-in on pure hypercarries sans summons. Yes for Remembrance. No if Ruan Mei already covers you. (Subjective take: In a summon meta? Absolute whale bait – but E0 slaps.)

FAQ

What is Sunday's kit in Honkai Star Rail?
Skill: 30-50% DMG +100% advance +1 SP; Talent: 20% CRIT Rate 3 turns; Ultimate: 20% Energy + Beatified CRIT DMG.

Is Sunday a must-pull in HSR?
Yes for Jing Yuan summon/Remembrance; E0 SP-neutral.

Best build for Sunday HSR?
Sacerdos x4, 190%+ CRIT DMG, 134/160 SPD, Chorus; Skill=Talent=Ult traces.

How does Sunday's ultimate work?
20% Energy regen + Beatified (CRIT DMG +30% Sunday CRIT DMG +12%, 3 turns).

Best teams for Sunday Honkai Star Rail?
Jing Yuan + Robin + Aventurine; Jingliu + Robin + Huohuo; Himeko + Jade + Aventurine.

Sunday eidolons worth it?
E1/E2: DEF ignore/SP positive; E6: CRIT conversion for whales.