Hanya is a Physical Element Character that follows the Path of Harmony. She excels at implanting the Burden debuff on enemies for recovering Skill Point after 2 hits or when defeated, increasing the DMG received by the target affected and enhancing an ally's attack after recovering a Skill point through Burden's effect.
Best Cavern Relics
(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.
Currently her best relic set as it increases her SPD and then enhance her party's SPD by using Hanya's Ultimate.
(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).
add(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.
Using this set will allow Hanya with faster turns and can act as the Skill Point battery for the team.
Best Planar Ornaments
(2) Increases the wearer's Max HP by 12%. When the wearer's SPD reaches 120 or higher, all allies' ATK increases by 8%.
(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%.
(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%.
Best Stats

Body
HP% / DEF%

Boots
SPD

Sphere
HP% / DEF%

Rope
Energy Regeneration Rate
Substats
SPD / HP% / DEF% / Effect RES
Best Light Cones
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).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%.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).SourceStellar Warp, Departure Warp, Character Event Warp, Light Cone Event Warp
Old Photo
Increases the wearer's Break Effect by 28~56%. When the wearer attacks, additionally regenerates 4~8 Energy. This effect cannot be repeatedly triggered in a single turn.SourceClockie Statue, Collection Reward, Echo of War, Light Cone Manifest
Solidarity
After the wearer uses a certain type of ability such as Basic ATK, Skill, or Ultimate, all allies gain Childishness, which increases allies' DMG for the same type of ability as used by the wearer by 12~20%. Childishness only takes effect for the most recent type of ability the wearer used and cannot be stacked.