You are more able to aid your allies with this gold ring, which bears a faintly glowing sigil signifying your ideals.
Ring Slot 325,000 gp
Increase the range of powers that restore hit points or provide a bonus to your allies by a number of squares equal to your Charisma modifier.
Power Daily (Free Action)
Use this power when you grant one or more allies a power bonus. Increase that bonus by 1 for all targets for the duration of that power.
If you've reached at least one milestone today, increase the affected bonus by 2.
Published in Adventurer's Vault, page(s) 157.