el . ▁This ▁is , ▁apparently , ▁part ▁of ▁the ▁demon ▁code . ▁ ▁A ▁multi player ▁game ▁mode ▁introduced ▁in ▁Gu itar ▁Hero ▁III : ▁Leg ends ▁of ▁Rock , ▁called ▁Battle ▁Mode , ▁is ▁based ▁around ▁the ▁guitar ▁battle ▁concept , ▁only ▁the ▁players ▁may ▁use ▁special ▁power - up ▁items ▁to ▁force ▁each ▁other ▁to ▁fail . ▁The ▁game ▁also ▁featured ▁ 3 ▁of ▁these ▁guitar ▁batt les ▁as ▁b oss ▁batt les ▁against ▁ 2 ▁real - life ▁guitar ists ( pres umably ▁the ▁tit ular ▁" Leg ends ▁of ▁Rock "), ▁namely ▁Tom ▁Mor ello ▁of ▁R age ▁Again st ▁the ▁Machine ▁and ▁Sl ash ▁of ▁G uns ▁N ' ▁Ros es , ▁and ▁Lou ▁( a ▁fict ional ▁music ian ▁representing ▁the ▁Dev il ▁of ▁rock ▁music ). ▁In ▁Gu itar ▁Hero ▁World ▁Tour , ▁the ▁guitar ist ▁career ▁features ▁ 2 ▁guitar ▁batt les ▁against ▁Zak k ▁W yl de ▁and ▁Ted ▁N ug ent ▁where in ▁the ▁player ▁is ▁challeng ed ▁to ▁a ▁guitar ▁du el ▁by ▁either ▁of ▁the ▁two , ▁and ▁they ▁take ▁turns ▁playing ▁sol os ▁of ▁a ▁song ▁spe cially ▁recorded ▁by ▁either ▁W yl de ▁or ▁N ug ent ▁in ▁a ▁manner ▁similar ▁to ▁the ▁existing ▁Face - Off ▁mode , ▁although ▁Battle ▁Mode ▁is ▁still ▁available ▁to ▁play . ▁ ▁Jud as ▁Pri est ▁was ▁one ▁of ▁the ▁first ▁bands ▁to ▁use ▁dual ▁gu it ars ▁in ▁heavy ▁metal . ▁A ▁good ▁example ▁is ▁their ▁song ▁" Met al