КАРТИНОК НЕТ

3rd picture, skill:

Yelan dashes backwards, dealing hydro AOE damage, and receives 15s of buff A. Every time Yelan charge shots, it consumes buff A and leaves object B (think Sara E) at target location. Object B will continuously deal AOE hydro damage to enemies, and within range, increases the on-field character's max HP in % of Yelan's max HP.

2nd picture, burst

Yelan releases a hydro dragon, and deals AOE hydro damage to enemies in front. After cast, the dragon will search for object B within a certain range. The dragon will move through object B, dealing AOE hydro damage, and immediately ending object B duration.

1st picture, passive

Whenever Yelan's dragon ends duration of object B, it will increase the duration of the max HP buff on the on-field character, the duration equals to object B's remaining duration

4th picture, constellations

C1: increase E's use by 1 time (think Xiao Shenhe)

C2: object B's duration and AOE increases by 50%

C4: Every time Q's dragon passes through object B, restores 6 energy for Yelan, and 3 energy for other party members

C6: When object B's duration ends, immediately pulls enemies within range to its center, and deals an additional instance of hydro damage equal to 233% of Yelan's max HP (wow so this is where Ayato's hydro tornado went)
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Kirin's dream

Attack is increased by 20%; when the elemental skill hits the enemy, the character currently on the field gains a shield equal to 5% of max HP for 5 seconds, which can be triggered at most once every 1 second, and cannot be stacked. It can also be triggered when the character is not on field. During the triggering process, the charging time required by the character on the field to aim and shoot is reduced by 50%. After triggering up to 10 times, it cannot be triggered again for the next 10 seconds.