Having more Oxygen helps you explore for longer and travel deeper. High Capacity O2 Tank - This is one of the items you should prioritize in the early game.Here's everything else you need to find Lead: Brute Sharks do roam the area (they do 30 damage per bite), but these can easily be avoided with a Seaglider, Fins, or if you have crafted one, a Seatruck. The Twisty Bridges biome is not overly dangerous. RELATED: Subnautica: Below Zero - Best Power Sources How To Find Lead In The Twisty Bridges Biome You should first start to see the biome between 300 meters and 400 meters from the Drop Pod. The biome transitions into a Shallow version as you get closer to Delta Island. You can't miss it: the biome is made up of loads of twisty bridges (that look like tentacles) with blue lights underneath. These two biomes are located to the south of your Drop Pod spot.