Systems

Passive and move-changing nodes bought on the Ability Training screen with Remnant Dust: Flowing Chi, Fluid Form, Redirect Force, Masterful Flow, Opening Strike, Flow Like Water.

Region checkpoints: touching one restores HP and Medicine and the first touch reveals the map, while Traversal Talismans jump between rung bells.

The opening training: Standard Combo, Sha-Chi Combo, Guard Stance and blocking, dodging, Power Surge, and the answers to Blue-flash and Red-flash attacks.

The currency Ability Training runs on. The Illusion of Inanis spends it to restore the abilities lost to Heart Damage.

A Sha-Chi generating device implanted in the body, plus some limb modification, so artificial Sha-Chi floods the organs and meridians — at the cost of the mind.

Weapons and Phantom Edges each need their own metal line to reach Lv. 10, with Solvent as the shared part; reforge talismans undo an upgrade and return what was spent.

A collectible equipment class. Reaching 30 pieces completes the achievement 「Collector's Notes」.

The third 10-item collection goal. Collecting 10 completes the achievement 「Leave No Stone Unturned」.

Assassinations can be chained. Performing one chain completes the achievement 「Way of the Phantom」.

The chained form of execution. Performing one chain completes the achievement 「Way of the Blade」.

Keyboard and mouse basics: WASD to move, left click to attack, Shift to sprint, Space for terrain movement, C to crouch.

Four difficulty settings — Wayfarer, Pathbreaker, Hellwalker and Sixty-Six Days — that can be changed outside combat only.

A collectible item gathered in a set of 10, tied to the achievement 「Listen to Every Flower」.

An equipment class parallel to weapons. Phantom Edges can be Tempered and upgraded; Summon-type ones call an ally.

A collectible item. Gathering 10 of them completes the achievement 「Complete Mastery」.

Side quests and requests are written in brackets in achievements. Nine achievements cover 11 quest names.

An upgrade applied to gear. Achievements track weapons and Phantom Edges tempered separately, plus Level 30 milestones.