moved this info here rather than have it on the page
There are a total of 15 Rock Worms in World 2-2. Two pairs of 3 worms each are just before the 2-3 Archstone. Alongside the 2-2 lava rift, there are a total of 9 worms.
Chunks: With Pure White World Tendency and Pure Black World Tendency, noticed no significant changes in drop rate for Chunks. Data is based off estimation with over 50+ chunks obtained from the 6 worms behind Flamelurker Archstone. With Pure White, less chances for Pure stone is noticed.
Pure: Significantly high drop rate in pure black world tendency on the Rock Worms near Flamelurker.
1 Drop the drop with neutral world tendency.
2 Drop with nearly pure white tendency.
3 Drop with pure black tendency, 13 luck.
4 Dropped 5 in a few hours with 7 luck and pure black tendency, no Large Sword of Searching.