Sword Saint Isshin Ashina

Main Story -- Ashina Reservoir

Difficulty

Extreme (5/5)

Death Blows

4

Location

Ashina Reservoir

Type

Main Story

Description

Isshin Ashina in his prime, resurrected through the power of the Mortal Blade from Genichiro's body. The true final boss of Sekiro, he fights with a sword, spear, gun, and lightning across four brutal phases.

Weaknesses

Mikiri CounterLightning reversalIchimonji

Rewards

Memory: Saint IsshinDragon Flash

Key Attacks

Ashina CrossSpear combo (phase 2-3)Wind slashGlock shot (phase 2)Lightning attacks (phase 3)

Strategy & Tips

  • 1Phase 1 (Genichiro): Defeat him quickly -- he is weaker than the castle version.
  • 2Phase 2: Mikiri Counter his spear thrusts for the biggest posture damage opportunity.
  • 3Phase 2: When he pulls out the gun, dodge sideways and punish the recovery.
  • 4Phase 3: Jump and redirect his lightning attacks -- this deals massive damage and stuns him.
  • 5This is the hardest boss in the game. Be patient, learn his patterns, and do not get greedy.