data merge entity @e[tag=dif_hard,limit=1] {CustomName:'{"translate":"display.difficulty.hard","color":"gray"}'}
data merge entity @e[tag=dif_normal,limit=1] {CustomName:'{"translate":"display.difficulty.normal","color":"red"}'}
data merge entity @e[tag=dif_easy,limit=1] {CustomName:'{"translate":"display.difficulty.easy","color":"gray"}'}
