In Mina the Hollower, to cross the Big Gap in Eastern Heath Bucker’s Bluff, you need the Pit Preserver trinket (purchased for 1,000 bones) and to hold + press Y while jumping to get bumped up across the gap. Here’s everything you need to know about it.
Big Gap Crossing details
How to Cross the Big Gap – Step-by-Step
Step 1: Get the Pit Preserver Trinket
Travel to Knox’s Bayou (swamp zone). Head to the northeast corner of the swamp map near the area with lily pads and the giant Knox’s base. Look for a swamp shack — inside you’ll find a kindly hag merchant who sells the Pit Preserver trinket for 1,000 bones. This is the cheapest option; Pinino in Ossex sells it for ~5,000 bones.
Step 2: Prepare Your Umbrella
From Eastern Heath, Grassland, go down.

Find the yellow umbrella in Mourner’s Mile Knight’s Rest, very nearby the gap.

It’s hidden in a bush.

Make sure your umbrella has max charges . The candles on the ground along the way will help recharge it.
Step 3: Clear the Area
Return to Eastern Heath.

Then burrow through and go up to Bucker’s Bluff.

Eliminate the enemy blocking the path before attempting the jump. You cannot safely attempt the crossing with enemies active.
Step 4: Execute the Jump
Stand at the edge of the gap and perform this exact input sequence:
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Hold + press Y

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Jump immediately after

The Pit Preserver will bump you up one time, allowing you to pass the gap you cannot cross by jumping alone.

Important Notes for Rope Sections Nearby
When you’re also dealing with rope climbing sections in this area:
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Wait until the second rope gets down to the bottom position

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Jump in between the ropes
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Press A to hold onto the rope

Bonus: Jewels Box Upgrade
Before going down into the gap area at the top:
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Go to the stairs first.

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Check the box inside — it contains a jewel box upgrade that increases your maximum jewels.

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Then descend from the left side.

Critical Mistakes to Avoid
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Don’t attempt without Pit Preserver — the gap is impossible to cross by jumping alone
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Don’t skip eliminating the enemy — enemies will interrupt your attempt
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Don’t forget to hold + press Y before jumping — the input order matters
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Don’t use the expensive vendor — the swamp shack merchant sells it for 1,000 bones vs. 5,000 bones at Pinino
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Make sure umbrella has charges — you need max charges (40+) for reliability.

With the Pit Preserver in your inventory and the + Y + jump combo mastered, that previously impossible gap in Eastern Heath is now just another checkpoint on your way to the mountain peak. You’ve gained access to new areas, the jewel box upgrade, and the path forward for sidearms and generators.