If running 5 pieces Vicious Serpent and 5 pieces Quick Serpent nets you a reduced cost of stamina abilities by 16%,
does running 5 pieces Perfect Arms of Relequen and 5 pieces Arms of Relequen also stack the effects?
PC-NA
vMA Flawless/vHRC HM/vAA HM/vSO HM/vMoL HM/vHoF HM/vAS +2/vCR/vBRP/vSS