The Mystery of Arpeggio Fault/Tech Tree
Last updated 2025-03-17
The Mystery of Arpeggio FaultTech Tree
Activating Nodes
Nodes can be activated for free, providing buffs that apply across all chapters.
Upon activation, you must choose 1 from 3 random nodes, which come in 3 quality tiers.
With each new chapter unlocked, you can activate an additional row (3 nodes), up to a maximum of 5 rows.
Refreshing Nodes
You can spend 
Crimson Silk to refresh the nodes, which cannot be undone.
When refreshing, you must choose 1 of 3 nodes to overwrite the current one.
Note: The leftmost node will always be the pre-refresh node, while the other 2 are random.
Aim for an orange-quality node!
Nodes
| Node | I | II | III |
|---|---|---|---|
| Experience Absorption | EXP gain +5% | EXP gain +10% | EXP gain +15% |
| Bonus Supply | Upon picking up a key, 5% chance of generating 1 chest | Upon picking up a key, 10% chance of generating 1 chest | Upon picking up a key, 15% chance of generating 1 chest |
| Economic Improvement | Coins obtained +5% | Coins obtained +10% | Coins obtained +15% |
| Explosive Supplies | Obtain 1 bombs when starting out | Obtain 2 bombs when starting out | Obtain 3 bombs when starting out |
| Resonia Collection | Upon defeating an enemy, 1% chance to generate 1 Resonium tile | Upon defeating an enemy, 2% chance to generate 1 Resonium tile | Upon defeating an enemy, 3% chance to generate 1 Resonium tile |
| Body Empowerment | Upon entering the next floor, Protagonist HP +5 | Upon entering the next floor, Protagonist HP +10 | Upon entering the next floor, Protagonist HP +15 |
| Medical Facility | When taking DMG, 5% chance to generate 1 Health Recovery Tile | When taking DMG, 10% chance to generate 1 Health Recovery Tile | When taking DMG, 15% chance to generate 1 Health Recovery Tile |
| Combat Up | Initial ATK +1 | - | - |