Thanks, I had one number wrong.SetItemGrp_Classic-eu.dat
setitem_group_begin num=25 essential_setitem_id={{2392};{2417};{5723};{5739}} essential_setitem_desc={[No set effect];[No set effect];[Breath Gauge increased, P. Atk. +2.7%, MP recovery rate +2.5%, STR -1, CON -2, DEX +3 and chance to get Poison Attack -20%.]} additional_setitem_id={} additional_setitem_desc={} unk1=0 unk2=0 enchant_setitem_condition={} setitem_group_end