first of all , u need to know , yorick minions works has all the minions , they apply item efects. yorik have a lot of range to poke enemies with her E , and the gouls jump. thinging in maths ... a 15% of hp feel... low ... but u can do 18%! has a suport :v and better ! you can stack 2% for each second for 3 seconds! 15+3+2+2+2=24% of HP , and we are not counting with the ghouls dmg , simple. u can carry the fking botlane poking the enemies , the enemies adc HATE YOU , at last u can do more % dmg cuz ur basic atacs have a granted 2/2,5/3 % hp dmg , no one can survive, this pick works better vs tank suports , but u can suffer vs healers , a bit. and remember u r building TANK.