Gravespawn PotionLevel 5 Uncommon
This deep purple, putrescent liquid fends off diseases and poisons.
Consumable: Potion 50 gp
Power ✦ Consumable (Minor Action)
Drink this potion and spend a healing surge. You do not regain hit points as normal. Instead, gain resist 5 necrotic and resist 5 poison until the end of the encounter. You also gain a +5 power bonus to your next Endurance check against any disease of level 5 or lower.
Published in Adventurer's Vault, page(s) 187.