Arknights CA-4 rewards Skill Summary books which are used for operator skill rank ups.
Aerial Threat is available on Tue/Wed/Fri/Sun
The Setup
Recommended Operator Elite 1 Lv. 35.
Here are the operators used in this example:
- 2x Sniper (ST)
- 1x Sniper (AoE)
- 1x Caster (ST)
- 1x Caster (AoE)
- 2x Healer
- Shaw (with Rank 4 skill)
Phase One
- Caster (ST) in position (A) facing right. Our caster will help deal with the Raptor that has higher DEF.
- Healer in position (B) facing left.
- Sniper (ST) in position (C) facing right.
Phase Two
- Sniper (AoE) in position (D) facing right.
- Healer in position (E) facing left.
- Sniper (ST) in position (F) facing right.
- Shaw in position (G) facing down.
Shaw will help push Airborne Soldier Leader off the ledge.
Phase Three
At 24 Kills you can return Shaw and replace her with your Caster (AoE) in position (G) facing right.
