Archive Tau (T)
Profile (learned magic)When used, teaches dark magic highly effective against cavalry: 
Dark Spikes T (limited to 1 uses)
Uses1
How to obtain
Find shops and gathering spots on the map→
| Method | Location | Timing and requirements |
|---|---|---|
| Chest | Island Not on the Map | Part III Dungeon chest: Archive Tau (T) |
| Negotiate | Imperial Capital Dagsion·Vandahl Trading Company | Part III Use  Mizang×1 Change Archive Tau (T)×1 |