Diabolos may refer to:
- Diabolos - The summoning magic spell which calls forth the terrestrial avatar Diabolos to fight for you.
- Diabolos (NM) - Diabolos as the enemy you face in Chains of Promathia mission 3-5: Darkness Named and the summoner quest Waking Dreams.
- Diabolos (NPC) - Diabolos as an NPC encountered in cut scenes.
You may also be looking for:
- Umbral Diabolos - NPC formerly found in Dynamis - Tavnazia
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