BOSS STRATEGIES

Phase-by-phase breakdowns, perilous attack counters, and prosthetic recommendations for every major boss.

🗡️ Early Game Bosses

Gyoubu Masataka Oniwa Easy

Location: Ashina Outskirts | Reward: Memory, Mechanical Barrel

  • Grapple Hook: When he charges, look for the green grapple icon. Zip to him for free hits.
  • Deflect his combos: His spear attacks are slow and telegraphed. Deflect the last hit for posture damage.
  • Firecrackers: Stun his horse mid-charge for a free combo.
  • Tip: Stay aggressive. His posture breaks quickly if you keep pressure.

Lady Butterfly Medium

Location: Hirata Estate | Reward: Memory, Sakura Droplet

  • Phase 1: Deflect her shuriken + dive kick combo. Attack after her 3-hit string.
  • Illusions (Phase 2): She summons phantom soldiers. Use Snap Seeds to dispel them, or run in circles until they disappear.
  • Shuriken when she jumps: She loves jumping on wires. Throw a shuriken to knock her down.
  • Tip: Don't use snap seeds on the illusions unless overwhelmed. Just focus on Butterfly.

Genichiro Ashina (Ashina Castle) Medium

Location: Ashina Castle Rooftop | Reward: Memory, Bloodsmoke Ninjutsu

  • Phase 1: He's a deflection tutorial. Learn his 5-hit combo and deflect the last strike.
  • Phase 2: Adds lightning attacks. Jump + R1 to reverse lightning back at him.
  • Mikiri Counter: His thrust attack is heavily telegraphed. Mikiri for massive posture damage.
  • Tip: This fight teaches you the core combat loop. Master it here and the rest of the game becomes manageable.

🔥 Mid Game Bosses

Guardian Ape Hard

Location: Sunken Valley | Reward: Memory, Slender Finger

  • Phase 1: He's a beast — cannot be deflected normally. Use Firecrackers to stun, then hit 2-3 times.
  • Dodge, don't block: His swipes deal terror buildup through guard. Stay mobile.
  • Phase 2 (Sword): Now he uses a sword. Deflect his overhead slam — it staggers him for 5+ seconds.
  • Scream: His terror scream is unblockable. Run away immediately when he raises his head.
  • Tip: Loaded Spear (Corkscrew) can pull the centipede out of his neck for huge posture damage.

→ Read the complete Guardian Ape strategy guide

Folding Screen Monkeys Easy

Location: Senpou Temple | Reward: Memory, Puppeteer Ninjutsu

  • Green Monkey (Sight): Use the bell to stun him, then chase down.
  • Purple Monkey (Sound): Sneak up from behind for a deathblow.
  • Orange Monkey (Smell): Lure him into the room with the waterfall.
  • White Monkey (Touch): Invisible. Look for footprints and attack the air.
  • Tip: This is a puzzle fight, not a combat fight. No need to fight them head-on.

Great Shinobi Owl Hard

Location: Ashina Castle (Top of Castle) | Reward: Memory, Aromatic Branch

  • Anti-heal bombs: He throws bombs that prevent healing for 30 seconds. Run away before using gourd.
  • Phase 2: He uses poison smoke and firecrackers. Stay mobile and don't get cornered.
  • Mikiri his thrust: He has a slow thrust after his combo. Free posture damage.
  • Tip: Firecrackers work on him. Use them to interrupt his combos.

💀 Late Game & Endgame Bosses

Isshin, the Sword Saint Very Hard

Location: Ashina Reservoir (Final Boss) | Reward: Memory, One of the endings

  • Phase 1 (Genichiro): Warm-up. Lightning reverse his jumping attack. Deathblow him quickly.
  • Phase 2 (Isshin Sword): Stay close. His gun combos are deadly at range. Deflect his 4-hit string and counter.
  • Phase 3 (Isshin Spear + Sword): Massive range. Umbrella prosthetic blocks his wind attacks. Mikiri his spear thrusts.
  • Phase 4 (Lightning): Same as Phase 3 but adds lightning. Jump + R1 to reverse lightning — this is your biggest damage window.
  • Tip: Ichimonji Double is amazing here. It recovers your posture while dealing massive damage to his.

→ Read the complete Isshin strategy guide

Demon of Hatred Hard

Location: Ashina Outskirts (Late Game) | Reward: Memory, Lapis Lazuli

  • He's a Souls boss in Sekiro: Treat him like Dark Souls — dodge through attacks, don't deflect.
  • Fire umbrella: Loaded Umbrella (Phoenix) blocks all fire attacks completely.
  • Malcontent: Finger whistle stuns him for 3-4 seconds. Use it 3 times total.
  • Tip: Stay under his legs. Most of his attacks miss if you're directly beneath him.

📋 Boss Checklist

BossRegionMemoryDifficulty
Gyoubu OniwaAshina OutskirtsYesEasy
Lady ButterflyHirata EstateYesMedium
Genichiro AshinaAshina CastleYesMedium
Guardian ApeSunken ValleyYesHard
Folding Screen MonkeysSenpou TempleYesEasy
Corrupted MonkAshina DepthsYesMedium
Great Shinobi OwlAshina CastleYesHard
True Corrupted MonkFountainhead PalaceYesMedium
Demon of HatredAshina OutskirtsYesHard
Isshin, Sword SaintAshina ReservoirYesVery Hard

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