

Ability: Volcanic Singe (For every stat drop the user suffers, a 1 turn condition is formed around its side of the field for the following turn, where the opponent will be burned if they make contact. Every stat drop will stack the amount of turns that the condition lasts for.)
HP: 60
Atk: 135 (+85)
Def: 80 (-40)
SpA: 135 (+45)
SpD: 80
Spe: 40 (+10)
New Moves: Fire Lash, Energy Ball
Reasoning:
I really wanted to make a Shell Smash wallbreaker that somehow provided utility for its team while being an absolute menace, and I think I figured it out. Its ability, essentially, allows for it to provide defensive utility for HO teams when it sets up, allowing for it to leave a mark on revenge killers and provide an easier setup opportunity for the next Pokemon switching in. In execution, this will allow for it to not only punch severe holes into the opposition, but also support its teammates in need of easier setup. Additionally, its access to Overheat also lets it activate its ability, and makes its Shell Smash-boosted attacks not only sting harder, but also let its ability last for even longer. It can also take a more bulky setup route with Curse, which pairs in tandem with its skyrocketed attack stat and the new addition of Fire Lash. It can be a very potent wincon, but also a very strong enabler in the right hands. I also opted to give it Energy Ball for additional coverage and not make it a sitting duck against Water-type switch-ins.
To balance it, I deliberately made its speed at +2 short of the important base 130 threshold, leaving it vulnerable to faster Pokemon. It is deliberately weak to priority as well, especially as most priority moves make contact; however, this does mean picking off Magcargo is not necessarily an issue, as nuclear as it can become after a Shell Smash. With Curse, it only has Pain Split and Rest for recovery options, and its bulk has been deliberately hindered to make its setup less easy in a vacuum. Lastly, it loses its secondary Rock-type STAB, which can have some helpful defensive application, but hinders Magcargo offensively as it loses a STAB option.
Flavor:
The shell on its back melts into its body, becoming a molten, dark, crackling, snake-like slug with dark rocky tones and schemes. It looks much more menacing and more slender to bat. I based this mega hugely on molten lava, and how it acts when it makes contact with oxygen. It is very thick and slow, yet just as dangerous.
Dex Entry:
tba



Ability: Shield Stun (When an opponent makes contact, they will take 1/16 damage in recoil, and be inflicted with confusion. If the user makes contact while using a pivot move, the pivot cancels.)
HP: 60
Atk: 77 (+25)
Def: 230 (+62)
SpA: 47
SpD: 151 (+13)
Spe: 30
New Moves: Spikes, Body Press
Reasoning:
Tl;dr--momentum punisher. Shield Stun operates as one of the only ways to completely stop U-turn and Flip Turn, which is especially valuable in the former's case being completely unstoppable. This allows for Mega Bastiodon to operate as a great wall and hazard setter for balance teams that are weak to momentum spam. The type change gives Mega Bastiodon a stronger defensive typing as well as a Volt Switch immunity, letting it completely stop offensive momentum moves singlehandedly. It also has access to Taunt to put down Teleport and Parting Shot.
Spikes allow for it to fulfill the role of a hazard setter more efficiently, especially with the switches that it is capable of forcing with its ability, and Body Press gives it an option to pressure foes that are not swayed by its weak offenses.
Flavor:
beeg beeg spiky wall-like steel shield that plants itself firm in the ground like a boss.
Dex Entry:
tba
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