Suckerstone
For a maxed weapon, you need 15 Suckerstone Shards, 6 Suckerstone Chunks, and 1 Pure Suckerstone.
- The Shards and Chunks are found on the Phosphorescent Slugs of 4-2 and 5-2.
- The Pure Suckerstone is in the swamps of 5-2, in the first basin on the left.
