Shieldon is technically a pre-evolution of Bastiodon, but it holds its own in formats where Eviolite is allowed. Poison moves can't touch it, and only 3 types hit it super-effectively. Flexible enough to run physical or special sets. Part of the Gen 4 roster.
The stat bars tell the story: Defense carries everything and HP's dead weight. But this Shield Pokemon still yields 1 Defense EV per fight on a standard growth curve.
It is outstandingly armored. As a result, it can eat grass and berries without having to fight.
Shieldon Weakness
GoodType-wise, Shieldon takes extra damage from Fighting, Ground, and Water. Watch out for Fighting and Ground attacks, those deal 4x damage. Poison moves do nothing thanks to a full immunity. It resists 9 types, so it can switch into a lot of moves safely. Shieldon's physical bulk (base 118 Def) helps cushion physical weakness hits, but special attackers are the bigger threat.
- Fairy type does not exist — Dragon has fewer checks
- Physical / Special split now per-move (introduced Gen IV)
Shieldon is the base form in a two-stage line leading to Bastiodon. Check the evolution method below. Plenty of partners for breeding via one egg group. Eggs are slow to hatch. Evolving adds up to 145 stat points total.
How to Evolve
Breed Shieldon with 67 breeding partners from the Monster egg group. Pass egg moves like Body Slam, Counter, Curse and 9 more to offspring.
Best Build
No build content available for this Pokemon in Gen 5.
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The egg pool carries weight here. Body Slam and Counter aren't available any other way for Shieldon, and they meaningfully change what it threatens. Stack those on top of Stone Edge and Iron Head for solid options.
Level-Up Moves
TM Moves
Egg Moves
Tutor Moves
Transfer Moves
Shieldon is a gift in this game. Pick it up at Nacrene City — no wild encounters or spawn rates to deal with. The details below cover exactly when it becomes available.
Best Locations
At 350 BST, Shieldon is firmly in pre-evolution territory. Evolve it into Bastiodon before bringing it to any serious fight.
Shieldon's biggest threats include Blaziken (Fighting) and Swampert (Ground), all carrying super-effective STAB moves. Blaziken is the most dangerous since Fighting moves deal 4x damage. Water-type attackers are also a problem. At base 30 Speed, Shieldon won't outrun any of these threats so switching to a resist is usually the safer play.
Shieldon evolves into Bastiodon at level 30. Shieldon is the base form of this evolutionary line.
Sturdy is the go-to ability for Shieldon. It prevents being KOed from full HP, leaving 1 HP instead. Its hidden ability Soundproof can work in specific setups.
Shieldon is leaning toward the physical side (base 42 Attack). Enough bulk to take a hit or two, too. But the speed tells the real story — base 30 Speed is low. Priority moves or Trick Room are the way to go.
Shieldon appears in 12 games, including Platinum, HeartGold & SoulSilver, and Diamond & Pearl.
Debuting in Diamond & Pearl, Shieldon appears in 12 games across 6 generations. A reliable presence in a solid number of games, typically found through catching or hatching as a base form.
- Gen IY
Yellow - Gen IRB
Red & Blue - Gen IIGS
Gold & Silver - Gen IIC
Crystal - Gen IIIRS
Ruby & Sapphire - Gen IIIFRLG
FireRed & LeafGreen - Gen IIIE
Emerald - Gen IVPt
Platinum - Gen IVHGSS
HeartGold & SoulSilver - Gen IVDPDebut
Diamond & Pearl - Gen VBW
Black & White - Gen VB2W2
Black 2 & White 2 - Gen VIXY
X & Y - Gen VIORAS
Omega Ruby & Alpha Sapphire - Gen VIIUSUM
Ultra Sun & Ultra Moon - Gen VIISM
Sun & Moon - Gen VIILGPE
Let's Go Pikachu & Eevee - Gen VIIISwSh
Sword & Shield - Gen VIIIPLA
Legends: Arceus - Gen VIIIBDSP
Brilliant Diamond & Shining Pearl - Gen IXSV
Scarlet & Violet - Gen IXLZA
Legends: Z-A