Scratch

:loop
set /a R=%random%%%6+1
set /a Strengthr=%Strength%+%R%
set /a R=%random%%%6+1
set /a enemystrr=%enemystr%+%R%
echo HP: %Health%              HP: %enemyhp%
echo ATT: %Strengthr%             ATT: %enemystrr%
pause
echo.
if %Strengthr%>%enemystrr% (    <- this part is the problem
set /a enemyhp=%enemyhp%-1
echo Enemy hit you!
)
if %Strengthr%<%enemystrr% (
set /a Health=%Health%-1
echo You hit enemy!
)
if not %enemyhp%==0 (
if not %Health%==0 (goto :loop)
)         
echo THE END
pause
pause