Arknights Fan Accountさんのイラストまとめ

New Operator:
PHANTOM ★★★★★★ Specialist
Traits: Significantly reduced redeployment time.
Talent: Can summon a phantom. The phantom shares the same skill with Phantom and has independent redeployment time.

SHAMARE ★★★★★ supporter
Talent: Inflicts [Weak] effect on enemies within range when their HP is low so they receive greater damage.
Skill 1: ATK↑, Talent effect↑. Infinite duration.
Skill 2: Can summon a Doll which lowers surrounding enemies' ATK&DEF for a period of time.

New operator:
SIDEROCA (铸铁) ★★★★★ guard
*event reward*
Deals arts damage.
Receives ASPD↑ and [Resist] effect after defeating a few enemies.
Heals herself when activating skills.

I only beat Lvl. 18 on the main stage which is the minimum requirement for getting all the event rewards, so I can’t say much. But Myrtle has been very helpful for me during this run. She is a 4* vanguard who produces DP at the fastest rate in the game. Keep an eye out for her ;)

Bagpipe ★★★★★★ vanguard
Traits: Obtain 1 DP after defeating an enemy; Refund the original DP Cost when retreated.
Talent: Each attack has a chance of ATK↑ and hitting 1 additional target.

New operator:
Sesa ★★★★★ sniper
Traits: Deals AOE physical damage.
Talent: When deployed, all blocked enemies receive increased physical damage.

New operator:
Bibeak ★★★★★ guard
*event reward*
Traits: Normal attacks deal damage twice.
Talent: ASPD↑ on every enemy defeated, stacks up to a certain times.

Utage ★★★★ guard
Traits: Cannot be healed by other operators. Heal herself on every hit on enemies.
Talent: Based on HP lost, increase ASPD.
Skill 1: Stop attacking, Block→0, DEF↑, recover HP.
Skill 2: When deployed, lose HP, ATK↑ and deal Arts damage for several seconds.

Purestream ★★★★ medic
Traits: Larger healing range. However, when healing distant targets, heal amount is reduced.
Talent: Grant [Resist] effect (reduce duration of stun, chill and freeze by 50%) to the target for several seconds.