Walk Up To Lilly Roth And Buy Like 10 Molten Shells From Her.
- Costs 1 Scroll Of Wisdom Each
Take 10 Vaal Orbs And Start Applying Them To The Molten Shell Skill Gems.
- Took Me 4 Tries But It Could Take All 10 If You Are Unlucky.
Achievement Pops When You Get The "Vaal Molten Shell" Version Of Molten Shell.
- About A 1-In-4 Chance To Get It When Applying A Vaal Orb.
Good Luck!