ick ▁of ▁It ▁All , ▁and ▁Cro - M ags ▁and ▁the ▁thr ash ▁metal ▁sub gen re ▁c ros so ver ▁thr ash ▁p aved ▁the ▁way ▁for ▁heavy ▁hard core . ▁He avy ▁hard core ▁emer ged ▁in ▁the ▁late ▁ 1 9 8 0 s ▁and ▁early ▁ 1 9 9 0 s ▁with ▁bands ▁such ▁as ▁K illing ▁Time , ▁Mad ball , ▁and ▁She er ▁T error . ▁In ▁the ▁ ▁and ▁early ▁ 2 0 0 0 s , ▁many ▁other ▁heavy ▁hard core ▁bands , ▁such ▁as ▁H ate bre ed , ▁Bul ld o ze , ▁Sh ai ▁H ul ud , ▁and ▁Str ife , ▁all ▁became ▁prominent ▁heavy ▁hard core ▁bands . ▁He avy ▁hard core ▁bands ▁such ▁as ▁T error ▁and ▁Death ▁Before ▁D ish on or ▁gained ▁cult ▁follow ings ▁in ▁the ▁ ▁Character istics ▁ ▁He avy ▁hard core ▁( also ▁known ▁as ▁t ough ▁gu y ▁hard core , ▁beat down ▁hard core , ▁m osh core , ▁and ▁brut al ▁hard core ) ▁is ▁a ▁genre ▁of ▁hard core ▁punk ▁that ▁features ▁ag gress ive ▁vocals , ▁down - t un ed ▁electric ▁gu it ars , ▁gang ▁vocals , ▁bl ast ▁be ats , ▁and ▁heavy ▁break down s . ▁More ▁heavy ▁metal - infl uen ced ▁than ▁traditional ▁hard core ▁punk , ▁heavy ▁hard core ▁often ▁is ▁heavily ▁influenced ▁by ▁thr ash ▁metal ▁music ▁and ▁is ▁sometimes ▁influenced ▁by ▁hip ▁hop ▁music . ▁Break down s