public SkillLevel(int level, SkillAdditionalData data)
 {
     Level = level;
     SkillAdditionalData = data;
     SkillMotions        = new SkillMotion();
     SkillAttacks        = new List <SkillAttack>();
     SkillConditions     = new List <SkillCondition>();
 }
 public SkillLevel(int level, int spirit, int stamina, float damageRate, string feature,
                   SkillMotion skillMotions, List <SkillAttack> skillAttacks, List <SkillCondition> skillConditions, SkillUpgrade skillUpgrade)
 {
     Level               = level;
     Spirit              = spirit;
     Stamina             = stamina;
     DamageRate          = damageRate;
     Feature             = feature;
     SkillMotions        = skillMotions;
     SkillAttacks        = skillAttacks;
     SkillConditions     = skillConditions;
     SkillAdditionalData = new SkillAdditionalData();
     SkillUpgrade        = skillUpgrade;
 }