detect invisibility
Spell · first available at level 4
Who learns it
| Class | Learned at |
|---|---|
| Necromancer | 4 |
| Magic-User | 8 |
| Druid | 9 |
| Assassin | 10 |
| Bard | 10 |
When it runs out
Your eyes stop tingling.
Exact costs, durations and chances are deliberately left to the game.