Finding Sand Raiders of Sophie Coral Chunks and Weird Coral is essential if you want to upgrade your tech tree and unlock new things for your Trampler, such as Mk2 Energy Rods. To get that upgrade in particular, you need 150 Coral Chunks and 15 Weird Coral, which is quite a lot of each. It'll take you several expeditions (or one really long one if you're well-stocked and willing to risk staying out so long) to gather all of that and more, so I've explained where you can find Weird Coral and Coral Chunks in Sand below to hopefully speed up your resource gathering.
