.@r = getrefine();
bonus bCritAtkRate,10;
bonus2 bSkillAtk,"SN_SHARPSHOOTING",15;
if (.@r>=7) {
   bonus bCritAtkRate,10;
   bonus2 bSkillAtk,"SN_SHARPSHOOTING",15;
   if (.@r>=9) {
      bonus bCritAtkRate,15;
      bonus2 bSkillAtk,"SN_SHARPSHOOTING",15;
      if (.@r>=11) {
         bonus bCritAtkRate,15;
         bonus2 bSkillAtk,"SN_SHARPSHOOTING",15;
      }
   }
}