Extreme overclocker recommends heating Arrow Lake CPUs to 165 degrees Celsius before delidding — the CPU has to be hot enough so the indium melts but not too hot to not damage the SMDs
Delidding removes the integrated heat spreader (IHS) on the processor so that you can directly attach a water block to it for more efficient cooling. This practice is widespread among enthusiasts and overclockers, as they could get the most performance out of these chips and break world records.