National Dex
Hydreigon @ Darkinium Z / Dragonium Z
Ability: Levitate
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
- Draco Meteor
- Dark Pulse
- Fire Blast / Earth Power / Roost
- Nasty Plot
This is probably my favorite Hydreigon set. Draco Meteor is extremely powerful STAB, and if you opt for Dragonium Z, it becomes even stronger and ignores the SpA drop drawback. Dark Pulse is spammable STAB with a decent flinch rate that can punish some of Hydreigon's slower targets. Fire Blast hits Ice, Steel, and Bug types hard. Earth power is a safer option to use against Magearna that also shits on Heatran; you don't want to miss a Fire Blast and then see the Magearna set up Shift Gear or Calm Mind in your face (or just outright destroy you), so this fixes that issue. Roost is healing and makes Hydreigon hard to revenge-kill. Nasty Plot is the crux of this set, as it makes Hydreigon one of, if not the best wallbreakers in National Dex. Even Blissey can't stand up to the massive power of a +2 Devastating Drake / Black Hole Eclipse followed by Draco Meteor. That Clefable there trying to switch in? Not a chance. Magearna also has to be very afraid of +2 Black Hole Eclipse. Tapu Fini is Hydreigon's best switch-in, however it is vulnerable to Stealth Rock and Spikes, so even that isn't a completely safe option. Nasty Plot Hydreigon almost always requires the enemy to sacrifice a Pokemon, just so that it can be revenge-killed by something like Garchomp, Protean Greninja, Weavile... Hydreigon finds a lot of room to set up with its ability to wall and scare off many top tiers, and its immunity to Earthquake and Psychic type moves.
+2 252 SpA Hydreigon Black Hole Eclipse (160 BP) vs. 252 HP / 0 SpD Tapu Fini: 202-238 (58.7 - 69.1%) -- guaranteed 2HKO after Stealth Rock, 1 layer of Spikes, and Leftovers recovery
+2 252 SpA Hydreigon Black Hole Eclipse (160 BP) vs. 252 HP / 4 SpD Clefable: 276-325 (70 - 82.4%) -- guaranteed 2HKO after Leftovers recovery
+2 252 SpA Hydreigon Black Hole Eclipse (160 BP) vs. 252 HP / 4 SpD Blissey: 390-460 (54.6 - 64.4%) -- guaranteed 2HKO
+2 252 SpA Hydreigon Devastating Drake (195 BP) vs. 252 HP / 4 SpD Blissey: 475-561 (66.5 - 78.5%) -- guaranteed 2HKO
+2 252 SpA Hydreigon Draco Meteor vs. 252 HP / 4 SpD Blissey: 318-375 (44.5 - 52.5%) -- 21.5% chance to 2HKO
+2 252 SpA Hydreigon Black Hole Eclipse (160 BP) vs. 0 HP / 4 SpD Magearna: 225-264 (74.7 - 87.7%) -- guaranteed 2HKO after Stealth Rock