public static void SkillTrainingUp(Creature creature, Skill skill, float exp, string bonus = "") { var packet = new Packet(Op.SkillTrainingUp, creature.EntityId); packet.PutBin(skill.Info); packet.PutFloat(exp); packet.PutByte(1); packet.PutString(bonus); // (Specialized Skill Bonus: x2) creature.Client.Send(packet); }