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Onimusha: Way of the Sword Weapons Tier List

Complete weapons tier list and upgrade guide for Onimusha: Way of the Sword. Stats, locations, and weapon arts for Raizan, Enryu, Senpu & more.

Author: Onimusha Research Guild
Quick Answer: Key Takeaway

The Bishamonten Sword is the top S+ Tier weapon in the game, while Raizan (Thunder Katana) is the best S-Tier blade for campaign progression and boss counters.

Quick Answer: What Is the Best Weapon in the Game?

Direct Answer: The undisputed best weapon in Onimusha: Way of the Sword is the Bishamonten Sword (毘沙门宝剑) (S+ Tier), obtained by conquering Floor 20 of the Dark Realm. It deals the highest base slash damage and cleaves standard Genma in a single strike. For the main campaign progression, Raizan - Thunder Katana (雷斩刀) (S Tier) is the most versatile blade due to its rapid lightning weapon art, superior boss parry stuns, and high single-target burst damage.


Definitive Weapons Tier List Matrix

Every weapon in Onimusha: Way of the Sword is tied to an elemental dragon deity and features unique combo strings, poise damage multipliers, and magical weapon arts:

TierWeapon NameElementUnlock LocationBest Use Case
S+ TierBishamonten Sword (毘沙门宝剑)Sacred VoidDark Realm Floor 20Endgame, Carnage Rematches, Speedruns
S TierRaizan - Thunder Katana (雷斩刀)Lightning / ThunderChapter 2 (Gion District)Boss duels, single-target counters, Issen builds
A TierSenpu - Gale Dual Blades (疾风刀)Wind / VortexChapter 3 (Kiyomizu Temple)Crowd control, aerial juggles, rapid soul farming
A TierEnryu - Flame Greatsword (炎龙剑)Fire / ConflagrationChapter 4 (Kamo Aqueducts)Heavy armored demons, barrier burning, poise break
B TierStarting Katana (Musashi’s Blade)Physical SteelChapter 1 (Prologue)Early tutorial; replaced once Raizan is obtained

Detailed Weapon Profiles & Weapon Arts

1. Bishamonten Sword (毘沙门宝剑) - S+ Tier

  • Element: Sacred Void / Purifying Light
  • Weapon Art: Tenma-metsuryu (Heavenly Demon Obliteration) - Releases an expanding dome of sacred energy that instantly purges all nearby lesser demons and strips boss posture bars by 60%.
  • Base Attack Rating: 450 (Maxed)
  • Passive Trait: Standard sword swings kill basic Genma soldiers in 1 hit without triggering combat stances. Slashes emit sacred blade light that pierces physical shields.
  • Acquisition Method: Must survive and conquer all 20 floors of the Dark Realm (幻魔空间). The chest appears on Floor 20 alongside the Bishamonten Ocarina.

2. Raizan - Thunder Katana (雷斩刀) - S Tier

  • Element: Lightning / Thunder
  • Weapon Art: Raikou-zan (Thunder God Slash) - A rapid 4-hit overhead strike infused with electrical discharge. Each strike electrocutes the target, preventing retaliation.
  • Base Attack Rating: 120 (Lv 1) -> 220 (Lv 2) -> 340 (Lv 3)
  • Passive Trait: Electrical arcs jump to nearby enemies standing in water or rain. Extends boss stagger windows following a successful Deflection Issen by +0.5 seconds.
  • Acquisition Method: Given by tactician Takamura in Chapter 2 upon extinguishing the demonic barrier in Gion District.

3. Senpu - Gale Dual Blades (疾风刀) - A Tier

  • Element: Wind / Vortex
  • Weapon Art: Tsumuji-gaze (Whirlwind Dance) - Musashi spins continuously, creating a localized hurricane that sucks in smaller demons and launches them into the air for aerial follow-up slashes.
  • Base Attack Rating: 95 (Lv 1) -> 180 (Lv 2) -> 290 (Lv 3)
  • Passive Trait: Hit count increases soul drop frequency. Landing a 15-hit combo guarantees a high-yield Yellow Soul (HP heal) or Purple Soul drop.
  • Acquisition Method: Found in the sub-altar puzzle chest beneath the main Kiyomizu wooden balcony in Chapter 3.

4. Enryu - Flame Greatsword (炎龙剑) - A Tier

  • Element: Fire / Conflagration
  • Weapon Art: Guren-ha (Crimson Lotus Wave) - Slams the blade into the ground, sending forward a wave of molten magma that ignites shields and melts wooden barricades.
  • Base Attack Rating: 140 (Lv 1) -> 250 (Lv 2) -> 370 (Lv 3)
  • Passive Trait: Deals double poise damage against shielded and heavy armored Genma. Burns webs left by Lady Jorogumo instantly.
  • Acquisition Method: Discovered in the flooded crypt shrine of Kamo Waterways after lowering the central canal sluice gate in Chapter 4.

Weapon Upgrade Progression & Soul Costs

Blades are upgraded at any Kishin Statue by channeling gathered Red Souls:

Upgrade LevelRaizan Soul CostEnryu Soul CostSenpu Soul CostKey Enhancement Unlocked
Level 1 -> 215,000 Red Souls18,000 Red Souls14,000 Red Souls+45% Damage, unlocks 2nd stage of Weapon Art
Level 2 -> 335,000 Red Souls40,000 Red Souls32,000 Red Souls+55% Damage, unlocks Max Weapon Art & elemental aura
Talisman Mastery10,000 Red Souls10,000 Red Souls10,000 Red SoulsReduces Weapon Art MP consumption by 25%

Best Weapon by Boss Matchup

  • Fast Samurai Duels (Sasaki Ganryu, Cursed Jinbei): Equip Raizan. Its startup frames match rapid sword clashes and punish split-second openings.
  • Beast & Airborne Bosses (Nue, Basan Drake): Equip Senpu. The vertical reach of whirlwind arts connects with hovering aerial hitboxes.
  • Armored & Golem Bosses (Benkei, Ash Golem Enma-Shin): Equip Enryu. The high poise break cracks armor plates, setting up cinematic Break Issen opportunities.
  • Final Sovereign & Carnage Rematches: Equip Bishamonten Sword once unlocked for overwhelming DPS and guaranteed S-Rank speed benchmarks.

Frequently Asked Questions

Q: Where do you find the Bishamonten Sword?

The Bishamonten Sword is the final reward for conquering Floor 20 of the Dark Realm (幻魔空间).

Q: What element is best against flying bosses?

Senpu (Gale Dual Blades) is best against aerial beasts like Nue and Basan due to its vertical whirlwind weapon arts.

Q: How many Red Souls are needed to max out a weapon?

Upgrading a blade from Level 1 to Level 3 requires between 46,000 and 58,000 Red Souls at a Kishin Shrine.