
Increases Attack of all allies by 10%. At the end of every 3 enemy turns, increases Combat Readiness of the caster by 20%. This Artifact's skill effect can only apply to one Hero within a team.
| Enhance | +0 | +1 | +5 | +10 |
|---|---|---|---|---|
| Increases Attack of all allies by …% | 5% | 5.5% | 7.5% | 10% |
| Increases Combat Readiness of the caster by …% | 10% | 11% | 15% | 20% |

The heroes that carry War Horn most, and how they do with it.
When an enemy shows one of these heroes, this is how often I expect War Horn before their build is revealed.
War Horn is a 5-star artifact that any class can equip. Its skill, War Horn, at +10: Increases Attack of all allies by 10%. At the end of every 3 enemy turns, increases Combat Readiness of the caster by 20%. This Artifact's skill effect can only apply to one Hero within a team.
In RTA this week it was run 17,391 times by 114 different heroes and won 59.2% of those games. Lisette carries 78% of them at a 62.7% win rate.
"The battlefield is full of frightened and terrified souls, but only defeat awaits those who fail to overcome their fears. Now, with the sound of this horn, transform those fears into courage."