example

using System;
using System.Collections;
using Server.Items;
using Server.Targeting;

namespace Server.Mobiles
{
    [CorpseName( "an earth elemental corpse" )]
    public class EarthElemental : BaseCreature
    {
        public override double DispelDifficulty{ get{ return 117.5; } }
        public override double DispelFocus{ get{ return 45.0; } }

        [Constructable]
        public EarthElemental() : base( AIType.AI_Melee, FightMode.Closest, 10, 1, 0.2, 0.4 )
        {
            Name = "an earth elemental";
            Body = 14;
            BaseSoundID = 268;

            SetStr( 126, 155 );
            SetDex( 66, 85 );
            SetInt( 71, 92 );

            SetHits( 76, 93 );

            SetDamage( 9, 16 );

            SetDamageType( ResistanceType.Physical, 100 );

            SetResistance( ResistanceType.Physical, 30, 35 );
            SetResistance( ResistanceType.Fire, 10, 20 );
            SetResistance( ResistanceType.Cold, 10, 20 );
            SetResistance( ResistanceType.Poison, 15, 25 );
            SetResistance( ResistanceType.Energy, 15, 25 );

            SetSkill( SkillName.MagicResist, 50.1, 95.0 );
            SetSkill( SkillName.Tactics, 60.1, 100.0 );
            SetSkill( SkillName.Wrestling, 60.1, 100.0 );

            Fame = 3500;
            Karma = -3500;

            VirtualArmor = 34;
            ControlSlots = 2;

            PackItem( new FertileDirt( Utility.RandomMinMax( 1, 4 ) ) );
            PackItem( new MandrakeRoot() );

            Item ore = new IronOre( 5 );
            ore.ItemID = 0x19B7;
            PackItem( ore );
        }

        public override void GenerateLoot()
        {
            AddLoot( LootPack.Average );
            AddLoot( LootPack.Meager );
            AddLoot( LootPack.Gems );
        }

        public override bool BleedImmune{ get{ return true; } }
        public override int TreasureMapLevel{ get{ return 1; } }

        public EarthElemental( Serial serial ) : base( serial )
        {
        }

        public override void Serialize( GenericWriter writer )
        {
            base.Serialize( writer );
            writer.Write( (int) 0 );
        }

        public override void Deserialize( GenericReader reader )
        {
            base.Deserialize( reader );
            int version = reader.ReadInt();
        }
    }
}