text: SELECT l._SkillIndex as _SkillID,
      (l._SkillLevel - 1) as _SkillLevel, -- convenient 0 based index
      l._LevelLimit, -- char level req to reach this skill level
      FLOOR(l._DelayTime / 1000) as _DelayTime, -- skill cooldown
      l._DecreaseHP,
      l._DecreaseSP,
      l._SkillExplanationID,
      l._SkillExplanationIDParam,
      l._NeedSkillPoint,
      l._ApplyType
  FROM skilllevel l
  WHERE l._SkillIndex IN (?)
  ORDER BY l._SkillIndex, l._SkillLevel ASC