Craft a Brewing Stand using 1 Blaze Rod and 3 Cobblestone
Craft or obtain Blaze Powder to fuel the Brewing Stand
Obtain a Water Bottle
Obtain Nether Wart
Place the Water Bottle in the Brewing Stand
Add Blaze Powder as fuel
Brew the Water Bottle with Nether Wart to make an Awkward Potion
Obtain Magma Cream
Place the Awkward Potion back into the Brewing Stand
Add Magma Cream to brew a Fire Resistance Potion
Use Redstone Dust to extend the duration to 8 minutes
Use Gunpowder to make a Splash Fire Resistance Potion
Use Dragon’s Breath on a Splash Fire Resistance Potion to make a Lingering Fire Resistance Potion