
At the start of the first battle, has a 100% chance to grant immunity for 1 turn. At the start of the turn, when the caster does not have a debuff, has a 100% chance to grant increased Attack for 1 turn.
| Enhance | +0 | +1 | +5 | +10 |
|---|---|---|---|---|
| Has a …% chance to grant immunity for 1 turn | 50% | 55% | 75% | 100% |
| Has a …% chance to grant increased Attack for 1 turn | 50% | 55% | 75% | 100% |

The heroes that carry Benimaru's Tachi most, and how they do with it.
When an enemy shows one of these heroes, this is how often I expect Benimaru's Tachi before their build is revealed.
Benimaru's Tachi is a 5-star artifact that only a Warrior can equip. Its skill, Benimaru's Tachi, at +10: At the start of the first battle, has a 100% chance to grant immunity for 1 turn. At the start of the turn, when the caster does not have a debuff, has a 100% chance to grant increased Attack for 1 turn.
In RTA this week it was run 2,826 times by 20 different heroes and won 50.4% of those games. Straze carries 57% of them at a 50.1% win rate.
A tachi wielded by the Commander-in-Chief, Benimaru. Created by the blacksmith Kurobe, it is a near-perfect weapon that can withstand Benimaru's flames.