"If you wish to slay a dragon..."
*       Dragon type attacks increase in base power x1.5
*       Fire type attacks increase in base power x1.5
*       Rock type moves increase in base power x1.3
*       Water and Ice type attacks decrease in base power x0.5
*       Multiscale additionally annulls user's Dragon type's weaknesses at all times
*       Activates Marvel Scale
*       Stealth Rocks do Fire type damage.
*       Hail is terminated.
*       Shed Skin activates at the end of every turn.
*       Berserk boosts SpAtk by 2 stages.
*       Dragon type Pokemon's Sp.Def increases x1.5
*       These moves increase in base power x2 and apply additional Fire type damage:
              Smack Down      Thousand Arrow
*       These moves increase in base power x2:
              Pay Day         Dragon Ascent
*       These moves increase in base power 1.5x and deal Fire type damage:
              Rock Climb              Strength
*       These moves deal additional Fire Type damage:
              Earthquake
*       These moves increase in base power x1.5:
                Lava Plume              Magma Storm             Mega Kick
                Stomping Tantrum        Earth Power             Power Gem
                Diamond Storm           Matrix Shot             Magma Drift
                Shell Trap              Luster Purge            Mist Ball
*       The base accuracy of these moves becomes 100:
                Dragon Rush
*       Fly and Bounce each last only one turn
*       Pokemon with the following abilities have their defenses boosted on switch-in:
                Magma Armor     Shell Armor
*       Magma Armor additionally protects from Fire Attacks
*       Magma Storm deals 1/6 Max HP damage per turn (from 1/8)
*       The stat-changing effect of these moves is amplified:
               Noble Roar      Dragon Dance        Coil
*       These moves terminate this field after two uses:
               Surf            Muddy Water
*       These moves terminates this field:
               Glaciate                Subzero Slammer
*       These moves change the field into the Fairy Tale field for 3 turns:
               Mist            Misty Terrain
*       These moves change the field into the Fairy Tale field:
               Mist Ball
*       Amulet Coin prevents the user from being statused.
*       Elemental Seed boosts Sp.Atk and applies Flash Fire boost to the user
*       Depending on the field it's created from, the Dragon's Den has various additional effects:

---   If base field = Dark Crystal Cavern:
*   Moonlight restores 75% of the user's Max HP
*   Synthesis and Morning Sun restores 25% of the user's Max HP
*       These moves increase in base power x1.5:
        Dark Pulse      Night Daze      Night Slash     Shadow Ball     Shadow Claw
        Shadow Force        Shadow Sneak        Shadow Punch        Aurora Beam     Signal Beam
        Flash Cannon        Luster Purge        Dazzling Gleam      Mirror Shot     Doom Desire
        Technoblast         Power Gem
---   If base field = Volcanic:
*       Grounded non-fire or dragon types take type-scaling Fire damage at the end of each turn.
*   Pokemon with the following abilities are immune to the field damage:
        Magma Armor     Flame Body      Flash Fire      Flare Boost     Water Veil
        Heatproof
    Pokemon in an Aqua Ring are immune to the field damage
*   Pokemon with the following abilities take x2 field damage:
        Ice Body            Leaf Guard      Grass Pelt
*   Fluffy Pokemon take 2x Field Damage

---   If base field = Icy Cave:
*   Grounded Pokemon increase Speed when using the following moves
        All attacking, physical-contact priority moves
        Feint           Rollout         Steamroller     Defense Curl
        Dragon Rush     Flame Charge    Wild Charge     Lunge

---   If base field = Cave(regular):
*       Rock type moves get a x1.5 boost in power
*   Stealth Rock damage is doubled
*   Sound-based attacks receive a x1.5 increase in power

---   If base field = Crystal Cavern:
*   Rock Polish additionally increases Attack and SpAtk one stage each.
*   These moves increase in base power x1.3:
        Aurora Beam     Signal Beam     Flash Cannon            Dazzling Gleam
        Mirror Shot     Doom Desire     Technoblast         Moongeist Beam
*   These moves increase in base power x1.5:
        Luster Purge

---  If base field = Corrupted Cave:
*   Poison-type moves get a x1.5 boost in power
*   The following moves gain a 1.2x boost
        Seed Flare

*    Nature Power becomes one of Dark Pulse, Flamethrower, Ice Beam, Rock Tomb, Power Gem or Gunk Shot depending on the base field.
*    Camouflage changes the user's type to Dragon
*    Secret Power may Burn.