DNA Donors: Charizard + Meloetta
Offspring name: Crematoria
New Type: Flying/Psychic
Base Stats: 104(+15)/81/78/139(+20)/107/100(+5) (BST: 609)
New ability and desc:Ashes To Ashes (Blaze + Serene Grace): When this Pokémon is below 50% health, the Base Power and secondary effect chance of moves with secondary effects are doubled.
Notable Moves: Psychic, Psyshock, Air Slash, Focus Blast, Fire Blast, Thunderbolt, Ancient Power, Shadow Ball, Energy Ball, Substitute, Calm Mind, Protect, Thunder Wave
Role Identification: It's a seriously potent special attacker with a vicious streak a mile long. When it drops down below 50% health, which it almost certainly will, its plethora of attacking options become extremely potent. Boosted STAB Psychic and Air Slash make it a real force to be reckoned with, especially when paired with parahax courtesy of Thunder Wave, while Focus Miss provides a way of blasting down attackers, assuming it'll ever hit - people always seem to forget that it has a secondary effect. The usual mix of coverage is everywhere, to the point where it almost feels like one is suffering from 4MSS. As far as items go, it can run Life Orb to generate a secondary effect so that more moves can take advantage of its ability (as well as do extra damage), or Choice Specs to boost its damage even further. Of course, there are also your Mega Stones to choose from, but more on them later.
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Offspring name: Crematoria-Sematary
New Type: Flying/Fighting
Base Stats: 104/139/100/81/78/107 (BST: 609)
New ability and desc:Ashes To Ashes (Blaze + Serene Grace): When this Pokémon is below 50% health, the Base Power and secondary effect chances of all its moves are doubled.
Notable Moves: RELIC SONG, Low Sweep, Aerial Ace, Flare Blitz, Ice Punch, Thunder Punch, Zen Headbutt, Crunch, Dragon Rush, Iron Tail, Bulldoze, Rock Slide, Body Slam, U-Turn, Close Combat, Shadow Claw, Stone Edge, Belly Drum, Protect, Thunder Wave, Dragon Dance
Role Identification: Since Relic Song is mandatory on this Pokémon, Crematoria's feelings of 4MSS are only exacerbated. Belly Drum complements the ability perfectly, allowing Crematoria-Sematary to instantly activate its ability, and it has excellent pseudo-BoltBeam coverage in the relevant Elemental Punches; however, a Life Orb can also work to get a bit more coverage on the table through moves like Close Combat and Shadow Claw. If you don't want those, Flare Blitz is another contender; after the ability activates, it becomes a 240 BP move with a 20% chance to burn the opponent... even though you do suffer from a serious amount of recoil. Body Slam is another interesting move, as (once your ability activates) you can paraflinch with a Tauntproof paralysing move that can hit Ground-types. Again, you also have access to both varieties of Charizardite, but they are by no means compulsory. And yes, if you're wondering, that is a Stephen King reference.
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Offspring name: Mega Crematoria X
New Type: Flying/Dragon
Base Stats: 104/127/111/160/107/100 (BST: 709)
New ability and desc:Tough Claws
Notable Moves: Aerial Ace, Dragon Claw, Close Combat, Flare Blitz, Shadow Claw, Knock Off, Sky Drop, Elemental Punches, Dig, Dragon Pulse, Air Slash, Grass Knot, Thunderbolt, Fire Blast, Work Up, Calm Mind, Swords Dance, Dragon Dance
Role Identification: You may be wondering what the hell Grass Knot of all things is doing on the Notable Moves list. Answer: it makes contact! Today you done learned a thing. In any event, this mega is a lot bulkier than base Crem, with its Defence in particular much improved. However, while it can punch very much above its weight on the physical side, with 127 base Attack being almost at the level of MegaZard X in the standard game, its ability to run a mixed set that deals a boatload of damage is not to be sneezed at. It's tough as old boots and can dish out a frightening amount of hurt; it's everything a Mega Evolution should be.
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Offspring name: Mega Crematoria Y
New Type: Flying/Psychic
Base Stats: 104/101/78/189/137/100 (BST: 709)
New ability and desc:Drought
Notable Moves: Psychic, Psyshock, Air Slash, Focus Blast, Fire Blast, Thunderbolt, Dazzling Gleam, Ancient Power, Shadow Ball, Solarbeam, Substitute, Calm Mind, Protect, Thunder Wave, Will-O-Wisp, Roost
Role Identification: Somewhat ironically, the attractive part of this fusion is its increasedbulk over the base form of Crematoria, since its gargantuan Special Attack means it deals potent damage without having to lose half its HP. It also allows you to run Psyshock without resorting to Life Orb, which gives you a very good way around special walls. While it isn't STAB, there's not much that can take a Drought-boosted Fire Blast off ONE HUNDRED AND EIGHTY-FRIGGIN'-NINE Special Attack, and its increased Special Defence (a 104/78/137 defensive statline is hardly terrible) means it can tank special hits effectively and force out less gifted special attackers, giving it time to boost with Calm Mind or spread status with TWave or Will-O-Wisp. Bulkier versions can go for SubCM sets as well, with the additional benefit of reliable recovery in Roost.
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Offspring name: Mega Crematoria-Sematary X
New Type: Flying/Dragon
Base Stats: 104/185/133/102/78/107 (BST: 709)
New ability and desc:Tough Claws
Notable Moves: RELIC SONG, Close Combat, Dual Chop, Aerial Ace, EdgeQuake, Sky Drop, Outrage, Drain Punch, Flare Blitz, Knock Off, Elemental Punches, U-Turn, Shadow Claw, Swords Dance, Dragon Dance
Role Identification: Crem-Sem X is a hideously powerful physical attacker, with 185 Attack AND Tough Claws. Anything that gets hit is definitely staying hit, though might not be staying alive. However, problems arise from Relic Song's mandatory appearance, taking up a valuable moveslot with something that's pretty much the dictionary definition of off-stat. I picked Dual Chop over Dragon Claw because it allows you to hit through subs, while Sky Drop merits discussion because it allows you to avoid retaliation for a turn against various unpleasant counters. EdgeQuake coverage is brilliant but suffers from not being affected by Tough Claws. If you want more staying power, TC-boosted Drain Punch will net you a shedload of HP back, and you can always run a Dancing set. Just watch out for Ice-type attacks against that rather limited Special Defence.
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Offspring name: Mega Crematoria-Sematary Y
New Type: Flying/Fighting
Base Stats: 104/159/100/131/108/107 (BST: 709)
New ability and desc:Drought
Notable Moves: RELIC SONG, Flare Blitz, Close Combat, Knock Off, Elemental Punches, EdgeQuake, Shadow Claw, U-Turn, Overheat, Solar Beam, Air Slash, Focus Blast, Roost, Calm Mind, Work Up, Swords Dance
Role Identification: A fairly nasty mixed sweeper with surprisingly decent bulk (104/100/108 is fine by me), Crem-Sem Y has a lot of options. One of my personal favourites is setting up Sun for other people in the team, blasting someone into next week with Overheat, then U-Turning out so that someone else can put the hurt on. However, you can also run a variety of nasty physical sets, with STAB Close Combat, Drought-boosted Flare Blitz, and Ice Punch to round out the coverage. However, this is entirely at your own discretion; there's a lot of ways to make this 'mon work.