Sunday

Sunday

★★★★★
Imaginary
Harmony
Builds Update3.3
Teams Update3.3
Sunday is an Imaginary element character who follows the Path of Harmony. He is well known for his ability to grant an ally an immediate turn, as well as providing powerful DMG boosts and Crit stat enhancements. Through his Ultimate, Sunday can also regenerate 40 Energy for the target ally, but only if they currently have less than 40 Energy.

Best Cavern Relics

(2) Increases SPD by 6%.
(4) When using Skill or Ultimate on one ally target, increases the ability target's CRIT DMG by 18%, lasting for 2 turn(s). This effect can stack up to 2 time(s).
Sunday’s Skill and Ultimate are both single-target abilities, making his support very focused and well-rounded for empowering one ally at a time.
(2) Increases SPD by 6%.
(4) When using Skill or Ultimate on one ally target, increases the ability target's CRIT DMG by 18%, lasting for 2 turn(s). This effect can stack up to 2 time(s).
(2) Increases SPD by 6%.
(4) When the wearer uses their Ultimate on an ally, SPD for all allies increases by 12% for 1 turn(s). This effect cannot be stacked.
This 2-piece set is focused on giving Sunday faster turns, as both 2-piece effects provide a SPD boost.
(2) Increases SPD by 6%.
(4) When the wearer uses their Ultimate on an ally, SPD for all allies increases by 12% for 1 turn(s). This effect cannot be stacked.
This set is still viable for Sunday, as it grants his allies a SPD boost after he uses his Ultimate.

Best Planar Ornaments

(2) Increases the wearer's Effect RES by 10%. When the wearer's Effect RES is at 30% or higher, all allies' CRIT DMG increases by 10%.
Gaining this set’s Crit DMG bonus will enhance the Crit DMG boosting effect of his Ultimate.
(2) Increases the wearer's Energy Regeneration Rate by 5%. If the wearer is not the first character in the team lineup, then increases the ATK of the first character in the team lineup by 12%.
This set’s sole purpose is to enhance the main DPS placed in the first slot of the team. It is also viable for Sunday, as it increases the DMG output of any ATK-scaling DPS.
(2) Increases the wearer's Energy Regeneration Rate by 5%. When the wearer's SPD reaches 120 or higher, the wearer's action is Advanced Forward by 40% immediately upon entering battle.
Aside from the Energy Regeneration Rate it grants, this set allows Sunday to be the first character to act in battle once he reaches the required SPD threshold.

Best Stats

Body
CRIT DMG
Boots
SPD
Sphere
DEF% / HP%
Rope
Energy Regeneration Rate
Substats
CRIT DMG / SPD / Effect RES / HP% / DEF%
Prioritizing Crit DMG is a must for Sunday, since his Crit DMG boost scales with his own Crit DMG stat. This should be followed by SPD to give him faster turns. Lastly, because his personal damage is low, Sunday can use HP% or DEF% main stats for his Body and Sphere relics to improve his survivability.

Best Light Cones

SourceLight Cone Event Warps
Departing Anew
After the wearer uses Skill or Ultimate on one ally character, the wearer regenerates 6.0~8.0 Energy and the ability's target receives 1 stack of "Hymn" for 3 turn(s), stacking up to 3 time(s). Each stack of "Hymn" increases its holder's DMG dealt by 15~24%. After every 2 instance(s) of Skill or Ultimate the wearer uses on one ally character, recovers 1 Skill Point.
This Light Cone is Sunday's signature, and he can easily maximize its effect since both his Skill and Ultimate target a single enemy.
SourceStellar Warp, Light Cone Event Warp, Starlight Exchange, Stellar Convergence
Heir
Increases the wearer's Energy Regeneration Rate by 10~18% and regenerates 1 Skill Point when the wearer uses their Ultimate on an ally. This effect can be triggered once after every 2 uses of the wearer's Ultimate. When the wearer uses their Skill, the next ally taking action (except the wearer) deals 30~50% more DMG for 1 turn(s).
Equipping this Light Cone on Sunday helps manage his Ultimate’s uptime while also providing a significant DMG boost after he advances an ally using his Skill. However, the downside lies in its Skill Point regeneration—Sunday only restores 1 Skill Point for every 2 uses of his Ultimate, which can be quite taxing.
SourceLight Cone Event Warp
Capriciousness
Increases the wearer's CRIT DMG by 32~60%. At the start of the battle, the wearer gains Mask, lasting for 3 turn(s). While the wearer has Mask, the wearer's allies have their CRIT Rate increased by 10~14% and their CRIT DMG increased by 28~56%. For every 1 Skill Point the wearer recovers (including Skill Points that exceed the limit), they gain 1 stack of Radiant Flame. And when the wearer has 4 stacks of Radiant Flame, all the stacks are removed, and they gain Mask, lasting for 4 turn(s).
Sunday can still use this Light Cone, but it requires him to use his Basic Attack frequently to trigger the Mask effect.
SourceJeweler's Pagoda, Echo of War, Memo-Keeping Light Casket, Light Cone Manifest
Kites From the Past
When the wearer uses their Skill, the next ally taking action (except the wearer) deals 16~32% increased DMG for 1 turn(s).
Sunday can fully maximize this Light Cone’s effect, as both his Skill and Ultimate immediately grant his target an extra action.
SourceBattle Pass
Secret
At the start of the battle and whenever the wearer's turn begins, one of the following effects is applied randomly: All allies' ATK increases by 10~20%, all allies' CRIT DMG increases by 12~24%, or all allies' Energy Regeneration Rate increases by 6~12%. The applied effect cannot be identical to the last effect applied, and will replace the previous effect. The applied effect will be removed when the wearer has been knocked down. Effects of the same type cannot be stacked.
This Light Cone is a bit difficult to use, as the permanent buffs it grants at the start of battle are determined by RNG. While the effect applies to all allies, the specific stat boosts are random, making it unreliable for consistently getting the most beneficial ones.
SourceStellar Warp, Departure Warp, Character Event Warp, Light Cone Event Warp
Cannot Stop It!
When the wearer uses their Ultimate, all allies' actions are Advanced Forward by 16~24%.
Despite not directly enhancing the team’s DMG, this Light Cone excels at advancing the team’s turn, making it highly valuable for turn manipulation and tempo control.

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