From OSE SRD
Intelligent, incorporeal (but not undead) monsters that look like shadows. Able to slightly change their shape.
|Armour Class||7 |
|Hit Dice||2+2* (11hp)|
|Attacks||1 × touch (1d4 + strength drain)|
|Saving Throws||D12 W13 P14 B15 S16 (2)|
|Number Appearing||1d8 (1d12)|
- Surprise: On a 1–5.
- Strength drain: Victims lose 1 STR per hit. Recovers after 8 turns. If reduced to 0 STR, the victim becomes a shadow.
- Mundane damage immunity: Can only be harmed by magical attacks.
- Spell immunity: Unaffected by charm and sleep spells.