Parents: Ampharos + Abomasnow
Shared egg group: Monster
Offspring name: Abomamp
New type: Electric/Ice
New base stats: 100/93/90/113/97/67 (BST 560)
New ability and desc: Electrical Storm (Static + Snow Warning): This Pokemon summons Electric Terrain on switch-in.
Notable moves: Agility, Cotton Guard, Discharge. Energy Ball, Focus Blast, Giga Drain, Heal Bell, Ice Beam, Leech Seed, Light Screen, Power Gem, Reflect, Shadow Ball, Signal Beam, Synthesis, Thunder, Thunderbolt, Thunder Wave, Volt Switch
Role identification: Meet BoltBeam incarnate, Abomamp. Abomamp has the distinction of being the only Electric/Ice Pokemon outside Railie and Rotom-Frost, but Abomamp has a higher special attack than both of them (and Rotom-Frost doesn't even have Ice Beam). In addition to a high special attack stat, Abomamp also has a fairly good 100/90/97 defensive stats. It's only bad point is it's speed, but even that can be patched by Agility or used for slow Volt Switches, while it's bulk can be played up with Giga Drain, Synthesis, Cotton Guard, or Screens. Electric Terrain makes Abomamp's electric attacks hit like a truck, can stop rest abusers like Suicune (like it would even want to stay in), and makes it a perfect partner for Joltry
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Parents: Mega-Ampharos + Abomasnow
Shared egg group: Monster
Offspring name: Mega-Abomamp-X
New type: Electric/Dragon
New base stats: 100/113/110/163/117/57 (BST 660)
New ability and desc: Mold Breaker
Notable moves: Same + Dragon Pulse
Role identification: Mega-Abomamp-D has some serious firepower! A 167 special attack stat is insane, and when you consider that it still gets an electric boost from electric terrain it's even more impressive. Even though Mega-Abomamp-D loses it's Ice STAB, it still has it's ice moves which we all know is very useful coverage, and with Mold Breaker disabling some of the ridiculous defensive abilities in the FE metagame, great bulk, and even somewhat usable healing, Mega-Abomamp-D is hard to take down.
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Parents: Ampharos + Mega-Abomasnow
Shared egg group: Monster
Offspring name: Mega-Abomamp-Y
New type: Electric/Ice
New base stats: 100/133/120/153/117/37 (BST 660)
New ability and desc: Snow Warning
Notable moves: Same + Avalanche, Blizzard, Earthquake, Fire Punch, Ice Punch, Ice Shard, Seed Bomb, Rock Slide, Swords Dance, Thunder Punch, Wild Charge
Role identification: Mega-Abomamp-I is unique in it's ability to put down two different field effects in Electric Terrain and Hail. This lets Mega-Abomamp upgrade to Blizzard, and although Thunder is still unreliable, the Electric Terrain boost makes it not even matter. While Mega-Abomamp-I isn't as powerful as it's other mega and in a sense less bulky (it is actually bulkier, but Snow Warning messes up Synthesis), and probably too slow to even abuse Agility, it's able to go physical or even mixed, and the residual hail damage makes up for the damage loss. Plus, Hail offers better team support.