How to play as Ryu Hayabusa in Ninja Gaiden 4 — story and post‑game
Ryu unlocks partway through the campaign, and you can run any mission as him once you’ve finished the story.
Ninja Gaiden 4
Dark Dragon Blade in Ninja Gaiden 4 — unlock method and lore
Where it appears in the story, how to make it permanent, and why this series icon still matters.
How old is Ryu Hayabusa in Ninja Gaiden 4 — the series timeline
Ninja Gaiden 4 never gives a number, but earlier games place him in his late 20s.
Ninja Gaiden 4 voice cast guide — who plays Yakumo, Ryu, and more
Every confirmed English and Japanese role, plus key credits like the voice director and release date.
Ninja Gaiden 4 is not open world — here’s how the game is structured
It sticks to a linear, stage-based campaign with focused combat and light detours, not sprawling open-world zones.
Ayane in Ninja Gaiden 4 — what her cameo means for longtime fans
Where Ayane shows up, what to expect from her scenes, and how to revisit her playable past.
Seori in Ninja Gaiden 4 — role, alliances, and what we know
A grounded look at Seori’s place in Ninja Gaiden 4, the release details, and how the story frames her.
Ninja Gaiden 4 max health — Black Scales, Herbs, and Dragon Lord’s Grace
Collect Black Scales and Phantasmal Herbs to auto‑craft Dragon Lord’s Grace, raise Yakumo’s health up to ten times, and switch to Lives of the Thousand Gods when you control Ryu.
Ninja Gaiden 4 accessory slots — unlock more in Chapter 4
You start with a single slot; here’s when the extra capacity appears and how to buy it.