Although there are a total of three Guardian Spirits you can choose to start with in Nioh, there are actually more. During your playthrough you will have access to these additional spirits, providing great opportunity to customize your playstyle.
Below we'll briefly go over where all Guardian Spirits are acquired.
Daiba-Washi (Bird)
Starter spirit.
Fuse-Ushi (Bull)
Available after completing 'Main Mission - Deep in the Shadows (level 12)'.
Isonade (Shark)
Starter spirit.
Kato (Wolf)
Starter spirit.
Mizuchi (Dragon)
Available after completing 'Sub Mission Kanbei and the Overlord (level 18)'.
Raiken (Hound)
Available after compleing 'Main Mission - The Spirit Stone Slumbers (level 19)'.
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The sequel to the award winning Hellblade: Senua’s Sacrifice, Senua returns in a brutal journey of survival through the myth and torment of Viking Iceland. Intent on saving those who have fallen victim to the horrors of tyranny, Senua faces a battle of overcoming the darkness within and without.