Use a fast vehicle to reach Haywire Shire quickly; the geyser area can be tricky to Borderlands 4 Boosting traverse on foot. Save heavy ammo for the Manglers - they spawn in waves during the brewing segment. Listen closely to Shammy's color cues; mixing the wrong nuggets resets progress slightly. Don't panic under the timer - even with interruptions, 5:30 is plenty of time if you stay focused....