GMars
It's ya boy GEEEEEEEEMARS
[OVERVIEW]
Blissey's astronomical HP and Special Defense stats allow it to wall threatening special attackers, including Darkrai, Palkia, and Dialga. It also has the potential to check other specially offensive threats such as Yveltal, Lunala, Xerneas, and Kyogre depending on their sets. Blissey's supportive movepool and ability to wall special threats enable it to act as an effective cleric. In addition, Blissey can sponge status ailments for its teammates thanks to Natural Cure. While Chansey has higher bulk than Blissey due to Eviolite, Blissey's ability to hold Shed Shell allows it to switch out of Mega Gengar's Shadow Tag, allowing it to be run without requiring dedicated Pursuit support. Unfortunately, Blissey can be very passive, relying on Toxic for the majority of its damage output. Blissey's low Defense leaves it vulnerable to powerful physical attackers and unable to check strong mixed attackers, such as Deoxys-A and Mega Mewtwo Y. In addition, Blissey only fits on fully defensive teams able to make up for its low Defense, whereas Chansey can find a place on both balanced and defensive team structures.
[SET]
name: Cleric
move 1: Soft-Boiled
move 2: Toxic
move 3: Heal Bell
move 4: Confide / Seismic Toss / Wish
item: Shed Shell
ability: Natural Cure
nature: Calm
evs: 252 Def / 252 SpD / 4 Spe
[SET COMMENTS]
Moves
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Soft-Boiled is Blissey's primary form of recovery, letting it consistently check specially offensive Pokemon and allowing it to stall out Toxic turns. Toxic is Blissey's main form of damage output, enabling it to wear down the Pokemon it checks and counters. Heal Bell heals status conditions, providing cleric support for Blissey's team. Confide lets Blissey deal with Geomancy Xerneas, Calm Mind Kyogre, and Calm Mind Arceus formes. Seismic Toss can be used if Blissey's team can already handle these Pokemon. Wish is an alternative to provide healing for a teammate or give Blissey extra PP for recovery if necessary. Due to Blissey's enormous HP stat, Wish will almost always fully recover a teammate.
Set Details
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Shed Shell is used to escape from Mega Gengar and other trappers. Shed Shell also helps Blissey support its team versus Perish Trap variants of Arceus-Dark. Natural Cure is the preferred ability to allow Blissey to absorb status without having to burn Heal Bell PP. Because of Blissey's perfect base 255 HP stat, investing in both of its defense stats rather than its HP stat provides more impact on its bulk overall. 252 Special Defense EVs maximize Blissey's special bulk, enabling it to consistently check specially offensive Pokemon. A Calm nature is used to avoid a 2HKO from Geomancy Xerneas. 252 Defense EVs flesh out Blissey's physical bulk, letting it take weaker physical attacks such as Zygarde-C's Thousand Arrows.
Usage Tips
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Bring Blissey in on the Pokemon it can wall—specially offensive Pokemon, support Arceus formes, and somewhat passive Pokemon like Zygarde-C and Mega Sableye—or to absorb status. Should an opposing Pokemon be forced out by Blissey, such as Palkia or Darkrai, take the opportunity to either spread Toxic if the opponent lacks Pokemon immune to it or to heal with Soft-Boiled if necessary. Keep Blissey healthy enough with Soft-Boiled to enable it to consistently check specially offensive threats. Blissey can be quickly worn down by entry hazards such as Stealth Rock and Spikes, so use Blissey's teammates to quickly remove these entry hazards or otherwise prevent them from being set. If Blissey's team is afflicted by status conditions, use Heal Bell to cure them. Otherwise, spread Toxic to wear down the opposing team or use Wish to heal Blissey's teammates, allowing them to more freely switch into attacks. Be conservative with Heal Bell's PP, as it is limited and vital to support a defensive team; prioritize absorbing status with Natural Cure rather than healing it with Heal Bell. Be mindful of switching into attacks from Pokemon that can carry mixed coverage, such as Yveltal's Knock Off or Lunala's Psyshock. These moves can leave Blissey weakened to the point where it is unable to continue to check specially offensive Pokemon, opening up a hole in the team's defensive backbone. Also, be aware that Blissey tends to lure in Steel-types, as it is deadweight against them outside of chip damage from a potential Seismic Toss.
Team Options
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Blissey only fits on fully defensive teams and requires support from physical walls to patch up its low Defense. Zygarde-C is an excellent physical wall, forming a solid defensive backbone with Blissey. Defensive Arceus formes can provide a physical wall to pair with Blissey and can potentially Defog entry hazards away. Arceus-Ground makes for a good Stealth Rock setter on defensive teams, provides Blissey with a good check to Primal Groudon and Mega Salamence, and benefits from Blissey's Heal Bell. Additionally, both Arceus-Ground and Zygarde-C check Steel-types for Blissey. Giratina is another good physical wall to pair with Blissey, especially because its Ghost-typing allows it to switch into Fighting-type moves. Mega Sableye is able to prevent foes from setting entry hazards, allowing Blissey to stay out of 2HKO range of certain special attacks, such as +2 Xerneas's Moonblast. Ferrothorn can stack entry hazards, check Z-Geomancy Xerneas, and assist Blissey versus Primal Kyogre—it is an especially useful partner for Blissey sets that forego Confide for this reason. Pursuit support from Alolan Muk can be nice for handling Deoxys-A and Lunala. Lugia greatly appreciates the cleric support Blissey provides, and its solid defenses can contribute to a stall team.
[STRATEGY COMMENTS]
Other Options
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Snatch is an option to allow Blissey to beat Refresh Arceus formes one-on-one and also helps Blissey's matchup versus Aromatherapy Xerneas. Leftovers can be used with Shadow Ball to give Blissey passive recovery while allowing it to beat most Mega Gengar sets one-on-one, but this set loses to Perish Trap variants. Blissey can set up Stealth Rock, though it has trouble fitting this move on cleric sets.
Checks and Counters
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**Steel-types**: Steel-types such as Mega Lucario, Celesteela, and Ferrothorn are immune to Toxic. They can use Blissey as setup fodder or place heavy pressure on Blissey's team.
**Poison-types**: Poison-types like Alolan Muk, Gengar, and the rare Arceus-Poison are immune to Toxic. Alolan Muk is able to stick on damage with Pursuit, weakening Blissey for its teammates, or Knock Off Blissey's Shed Shell. Mega Gengar forces Blissey to switch or traps Blissey if it has had its Shed Shell removed.
**Physical Attackers**: Due to Blissey's very low Defense and the generally high offensive stats found in Ubers, most relevant physical attackers, such as Primal Groudon, Mega Salamence, and Arceus, will be able to at least 2HKO Blissey.
**Taunt**: Taunt users like Mega Gengar, Yveltal, Mega Aerodactyl, and potentially Darkrai can completely shut down and beat Blissey if they avoid switching into Toxic.
**Rest**: Rest users such as Z-Geomancy Xerneas, Primal Kyogre, and Zygarde-C can Rest off poison and potentially stall Blissey out of recovery. Rest users that additionally use Calm Mind, such as Primal Kyogre, can also beat non-Confide variants of Blissey.
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