From Final Fantasy XIV A Realm Reborn Wiki
Bunshin is an action unlocked at level 80. It's available for Ninja.“
Grants 5 stacks of Bunshin, each stack allowing your shadow to attack enemies each time you execute a weaponskill. Shadow attack potency varies based on the attack executed, but is not affected by combo bonuses.
- Melee Attack Potency: 200
- Ranged Attack Potency: 100
- Area Attack Potency: 100
- Ninki Gauge increases by 5 each time your shadow lands an attack.
- Duration: 30s
- Ninki Gauge Cost: 50
— In-game description