- When casting spells using this arcane focus, you may choose to focus them through the demonic blood lens within. Doing so grants the following effects to the spell. All rounded down.
- Any area of effect is halved (i.e. 10 ft. radius to 5 ft.)
- The number of targets and/or projectiles are halved.
- The spell range is doubled.
- You gain advantage on your spellcasting check.