Gather a brewing stand
Gather blaze powder
Gather water bottles
Gather nether wart
Gather blaze powder
Place blaze powder in the brewing stand fuel slot
Place water bottles in the bottom slots
Brew nether wart to make awkward potions
Add blaze powder to the awkward potions to make potions of strength
Add redstone to extend the duration if desired
Add glowstone dust to increase the strength if desired
Add gunpowder to make a splash potion if desired
Add dragon’s breath to make a lingering potion if desired