The Isaac Health Potion quest in The Forge is one of those tasks that looks simple but quickly turns confusing once you try to complete it. Players often assume any health potion will work, only to discover Isaac refuses everything except a very specific item. This guide walks you through the entire process—from finding Isaac to delivering the correct potion—so you can complete the quest without unnecessary backtracking.
Where to Find Isaac in The Forge
Isaac is found in the Forgotten Kingdom, sitting under a tent in the hilltop camp where Captain Rowan is also located.
If you’ve already explored this zone, you may recognize this camp as the one reached by following the uphill trail starting near the Greedy Cey merchant.
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Speak to Isaac and exhaust all dialogue options. Eventually he will admit he’s injured and needs help, giving you the quest to bring him a Health Potion. However, the game does not specify which potion he means, and this is where most players run into trouble.
The Quest’s Main Problem: Isaac Only Accepts Health Potion I
Even though you can find Health Potion II sold nearby on the same island Isaac is on, he will not accept it.
If you try to hand it to him, he responds with a dismissive line—essentially telling you it’s the wrong potion.
To complete the quest, you must deliver Health Potion I, which is sold only in the first island, not in the Forgotten Kingdom.
How to Get Health Potion I (Correct Potion)
Here is the precise route to acquire the correct potion:
1. Use the Portal
Travel from the Forgotten Kingdom back to Stonewake’s Cross, the starting region of the game.
2. Visit Maria’s Potion Shop
In Stonewake’s Cross, look for Maria, who sells beginner-tier potions. Purchase Health Potion I for $150.
This is the only version Isaac accepts, and the quest will not complete with any other tier.
3. Return to Isaac
Use the Portal again to return to the Forgotten Kingdom, then follow the familiar trail up the mountain to reach Isaac’s camp.
Important: Do not drink the potion on the way. Keep it selected in your item bar and interact with Isaac while holding it.
Completing the Quest
Once you speak to Isaac while holding Health Potion I, the quest completes immediately.
Players who assumed a stronger potion would work often think the quest is bugged, but the issue is simply that Isaac is very particular—he only wants the original version.
Quest Rewards
Completing the Isaac Health Potion quest rewards:
- A large amount of XP
- The Cure for Isaac badge in The Forge community group
- Increased maximum stamina and stash capacity thanks to the level gained from XP
- The satisfaction of finally finishing one of the more confusing early quests
Considering the potion costs only $150, the XP reward alone makes this quest absolutely worth completing. Play Now!
FAQ: The Forge Isaac Health Potion Quest
Q. Why won’t the Isaac Health Potion quest complete in The Forge?
Isaac only accepts Health Potion I from Stonewake’s Cross. Any other potion fails.
Q. Is the Isaac Health Potion quest bugged?
It looks misleading, but it works correctly once you bring the exact Health Potion I.
Q. Where do I get the right potion for Isaac?
Buy Health Potion I at Maria’s shop in Stonewake’s Cross. Higher-tier potions don’t count.
Q. How do I reach Isaac quickly after buying the potion?
Portal to the Forgotten Kingdom, then follow the mountain path near the Greedy Cey merchant.
Q. Is the Isaac Health Potion quest worth doing?
Yes. It gives strong early-game XP and unlocks the Cure for Isaac badge for minimal cost.
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