How to Craft High External Stone Wall Rust?
High External Stone Walls are items that you can build when you want to additionally protect the bases you have usually built. If you want to craft you will need x1500 Stone and Workbench Tier 2.
How Many Rockets Do I Need for a High External Stone Wall?
If you want to destroy the High External Stone Wall with a normal Rocket, you will need 4 in total. If you use the MLRS Rocket, 3 will be enough. x10 Satchel Charge and x2 C4 are required if you want to destroy it using other explosives.