User blog comment:RA2/Robot Wars Rankdown: Extreme 1 & Series 5/@comment-24393094-20180623074237

Does this robot hate Sergeant Bash?: Shear Khan. Its weapon may appear to be decent, but its massive ground clearance and lack of srimech are weaknesses that are too great to ignore.

A diamond pickaxe could easily mine through it: Obsidian. Was bullied around by S.M.I.D.S.Y., had a generally ineffective axe and broke down under mild pressure.