Hey so this might sound really weird, but I'm playing 1.20.1 on Forge with 120 mods, and for some reason, this mod causes diamond pickaxes to act like iron ones when mining obsidian. I don't know how, I don't know why, I don't even know if this mod is the actual problem. But having it turned off does fix the issue so I have no idea what's going on with it. Anyway, I was using Aquatic Torches 1.1.1 for 1.20.1 on Forge.