I'll know if this elf is good or not just by touching it

Story of: I'll know if this elf is good or not just by touching it

"You will gain experience after doing any job for a long time. For example, if this wire has electricity, I will know it by touching it with my hand." Su Bai traveled to the age of elves, and he could get detailed information on anything his hands touched.Su Bai: It’s so cool when you play. Others rely on luck to conquer elves, but it’s different for me. I’ll know if this elf is good or not just by touching it.