Normal Attack
Kata Sakura
Stats:

Thunder
CD: -
Unleashes the ancient sword energy slumbering within Sakurakiri to deal Thunder DMG equal to 686.6% of ATK in total.
When in the Sakuya state, deals Thunder DMG equal to 849.9% of ATK in total.
Divine Grace: When not in the Sakuya state, gains Divine Grace when Normal Attacks hit.
Stats:

Thunder
CD: 7s
The first move of the ancient technique inherited from Sakurakiri. Deals Thunder DMG equal to 1123.1% of ATK in total.
Kata 1: Halt: Can be used as a follow-up attack up to 3 strikes, successively dealing Thunder DMG equal to 561.5%, 748.7%, and 935.9% of ATK in total. If only 1 strike is launched, this skill's remaining CD is then shortened by 6s. If only 2 strikes are launched, this skill's remaining CD is then shortened by 3s. When in possession of Divine Grace, gains 1 Blossom Mark each time a strike hits. This skill has a CD of 10s.
Divine Grace: When not in the Sakuya state, gains 5 Divine Grace upon each hit.
Skill 2
Kata 3: Lightning
Stats:

Thunder
CD: 7s
The third move of the ancient technique inherited from Sakurakiri. The first phase deals Thunder DMG equal to 561.5% of ATK in total, and the second phase deals Thunder DMG equal to 561.5% of ATK.
Kata 3: Dance: Can be used as a follow-up attack up to 3 strikes, successively dealing Thunder DMG equal to 561.5%, 748.7%, and 935.9% of ATK in total. If only 1 strike is launched, this skill's remaining CD is shortened by 6s. If only 2 strikes are launched, this skill's remaining CD is then shortened by 3s. When in possession of Divine Grace, gains 1 Blossom Mark each time a strike hits. This skill has a CD of 10s.
Divine Grace: When not in the Sakuya state, gains 5Divine Grace upon each hit.
Skill 3
Kata 9: Somezakura
Stats:

Thunder
CD: 7s
Unleashes the full power of Sakurakiri. Only available when Divine Grace is full. Inflicts Sluggish on locked-on enemies, slowing their movement speed to 50% for 2s, dealing Thunder DMG equal to 1123% of ATK in total, and enters the Sakuya state.
Sakuya: Replaces Kata 1: Crack, Kata 3: Lightning, and Kata 9: Somezakura with Kata 1: Halt, Kata 3: Dance, and Kata 9: Fallen Sakura, and resets the skill CD. During this state, expends 1 Divine Grace every 0.15s. This Divine Grace expenditure is not affected by any other attributes, and the Divine Grace gain rate is reduced by 1000%. Each time a Normal Attack, Kata 1: Halt, Kata 2: Disillusion, Kata 3: Dance, or Kata 9: Crimson Shadow hits, gains 1 Ominous Blossom, up to a maximum of 100 Ominous Blossoms.
Kata 9: Crimson Shadow: When the Mod has Blossom Marks, tapping on Normal Attack button will expend 1 Blossom Mark to launch a skill attack, rushing forward and dealing Thunder DMG equal to 748.6% of ATK in total.
Kata 9: Fallen Sakura: Delivers a slashing attack with unparalleled speed, dealing Thunder DMG equal to 2058.8% of ATK in total. For every 1 Ominous Blossom owned, increases the Non-DoT Independent DMG by 0.7%. When owning less than 100 Ominous Blossoms, inflicts Sluggish on locked-on enemies, slowing their movement speed to 50% for 3s. When the Mod owns 100 Ominous Blossoms, enters Zero Time upon skill cast for 3s. The Non-DoT Crit Rate of the final strike of this skill attack increases by 50%. When the Mod exits the Sakuya state, all Divine Grace, Blossom Marks, and Ominous Blossoms are expended, then Kata 9: Somezakura enters CD.
Kata 2: Disillusion: Sheathes the sword and cuts through space with a slashing attack at ultimate speed, dealing Thunder DMG equal to 842.2% of ATK in total.
Divine Grace: When not in the Sakuya state, gains 3 Divine Grace each time Kata 2: Disillusion lands a hit.
Ultimate Skill
Execution by Thousand Petals
Stats:

Thunder
CD: 20s
Unleashes countless slashing attacks in an instant, dealing Thunder DMG equal to 1871.8% of ATK in total. Upon hitting, increases the Crit Rate of the whole team by 12% for 10s.
Gains 15% Ultimate Skill charge when the Mod or a teammate triggers Zero Time. Effect can only trigger once every 0.5s.
Stats:

Thunder
CD: -
Swiftly dodges the enemy's attack. Extremity Dodge triggers the Dodge effect. Tapping on Normal Attack button within 2s of an Extremity Dodge unleashes Kata 2: Disillusion.
Dodge effect: Entering Zero Time significantly slows all enemy movements for 2s. Dodge effect can trigger once every 20 seconds.
TODO: add tooltip like ingame