Mortal Enemy is a Skill in Xenoblade Chronicles X. It is unlocked as a Winged Viper at rank 3. Cross, Elma and Phog can use this skill.
Stats[]
| Class | Rank Learned | Effect |
|---|---|---|
| Winged Viper | 3 | Increases damage against Humanoids. |
| Level | Damage Up | BP Cost |
|---|---|---|
| 1 | 30% | - |
| 2 | 35% | 2 |
| 3 | 40% | 6 |
| 4 | 45% | 18 |
| 5 | 50% | 36 |