A Daemon (Japanese: 鬼ビ人, onibito) is a Lost Soul who has no memory of their past life and could not be reincarnated, damned, or banished. They are able to bond with a Watcher, lending their weapon and skills. Kagachi can bring up to four Daemons with him, and switch between them during battle to suit the situation.
An unbonded Daemon's location is indicated by a green marker on the mini map. The Daemon appears in the Beyond as a glowing figure, and can be approached to form a bond.
The Daemon currently selected affects Kagachi's stats. Attack, Defense, Max HP and Speed are expressed as percentages; for example 106% means Kagachi's stat is multiplied by 106% (a 6% increase). Inertia and Force are given on a scale of 1 to 5; Inertia is resistance to knockback and topple, while Force is the power to inflict knockback and topple.
List of Daemons 
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| Daemon | Weapon class | When | Action | Attack※ | Defense※ | Max HP | Speed | Inertia | Force |
|---|---|---|---|---|---|---|---|---|---|
| Aisha | Sword | Start | Dash | 106% | 104% | 100% | 80% | 3 | 3 |
| Zaav | Spear | Ch.1–1 | Jump | 102% | 110% | 102% | 70% | 4 | 4 |
| Dia | Farshot | Ch.1–2 | Glide | 98% | 94% | 95% | 75% | 1 | 1 |
| Wil | Axe | Ch.1–3 | Defend | 112% | 98% | 101% | 65% | 4 | 5 |
| Izana | Scythe | Ch.1–3 | Warp | 108% | 96% | 99% | 70% | 3 | 4 |
| Zephyr | Fang | Ch.2–1 | Double Jump | 104% | 102% | 104% | 95% | 4 | 3 |
| Lucika | Fist | Ch.2–2 | Barrier | 90% | 100% | 98% | 90% | 1 | 2 |
| Treize | Chain | Ch.2–2 | Chain Jump | 100% | 106% | 97% | 70% | 2 | 2 |
| Gavod | Shieldcannon | Ch.2–2 | Shield | 110% | 112% | 103% | 65% | 5 | 3 |
| Rigan | Twinblades | Ch.2–3 | Roll | 94% | 92% | 96% | 85% | 3 | 1 |
| Jex | Crystalcore | Post-game | Skill Shift | 112% | 112% | 105% | 60% | 5 | — |
※ Attack and Defense values shown are for a Daemon at rank 1, and rise by 2% for each increase in the Daemon's rank, for example 110% at rank 1, 112% at rank 2, 114% at rank 3, etc.
