Learn all the stats you need to know on Nightmare in Arknights. This includes character stats, skills, upgrade material, base skills, tags, how to get Nightmare and more!!!
Table of Contents
Nightmare - Stats & Rating

| Rating | C Tier >> Best Operator Tier List |
|---|---|
| How to Get | ・Headhunt |
Basic Data
| Rarity | Class | DP Cost | |||
|---|---|---|---|---|---|
| ★5 | Caster | 18 | |||
| Atk Spd | Block | Redeploy | |||
| Moderately Slow | 1 | Slow | |||
| VO. | Illust. | ||||
| Rie Takahashi (高橋李依) | Lpip | ||||
Base Stats
Following is the character's initial stats before upgrading!!!
| HP | 658 |
|---|---|
| ATK | 281 |
| DEF | 45 |
| Mag. Resist | 10 |
| Range | ![]() |
Nightmare - Traits & Skill
Traits & Applicable Tags
| Traits | Deals magic damage |
|---|---|
| Tag | Ranged, DPS, Healing, Slow |
Try It Out On The Tag Simulator!

Talents
| Skill | Effects / How to Unlock |
|---|---|
| Dual Personality | Unlock: Upgrade 1 Physical & Magic evade +20% when equipped with Skill 1, ATK +9% when equipped with Skill 2 |
| Dual Personality | Unlock: Upgrade 2 Physical & Magic evade +40% when equipped with Skill 1, ATK +15% when equipped with Skill 2 |
Skill
Drain Soul
| SP | Recovery Type | Skill Type | Duration |
|---|---|---|---|
| 80 | Auto Charge | Active | 60 sec. |
| Effects | |||
| Heals for 40% damage dealt to the enemies in range per attack | |||
Nightmare Phantom
| SP | Recovery Type | Skill Type | Duration |
|---|---|---|---|
| 30 | Auto Charge | Auto | |
| Effects | |||
| Status effect on up to 3 enemies in range Slow -60%, Debuffs DEF and Magic Resistance when moving for 5 sec. | |||
Base Skill
| Skill | Effects / How to Unlock |
|---|---|
| Caster Expert α | Facility Training Room Unlock Requirements Starter Effects When positioned at Training Room as trainer, Caster Training Speed +30% |
Nightmare - Elite Bonus Effect & Required Materials
Elite 1 Effect & Requirements
- Unlock Max Stat Potential
- DP Cost +2
- Skill Nightmare Shadow acquired
- Talent Dual Personality unlocked
Required Materials
| Materials | Required Quantity |
|---|---|
| LMD | ×20000 |
| Caster Chip | ×4 |
| Orirock | ×7 |
| Xeno Iron Shard | ×3 |
Elite 2 Effect & Requirements
- TBD
Required Materials
| Materials | Required Quantity |
|---|---|
| LMD | ×120000 |
| Caster Dual Chip | ×3 |
| Ketone Arrangement | ×14 |
| Sugar Box | ×7 |