Deviant Art by ishmam

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Snorlax

Type:
Base Stats: 160 HP / 110 Attack / 65 Defense /  65 Special Attack / 110 Special Defense / 30 Speed
Weaknesses:   x2
Resistances: None /   x0.5  x0.5 (Thick Fat)
Immunities: x0

Ability 1: Immunity - The user can't be status with the Poison condition.
Ability 2: Thick Fat - Halves the damage of Fire- and Ice-type attacks. 
Hidden Ability: Gluttony - Can consume Berries at 50% or below at an earlier time.
 

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Thanks to the new mechanics in Self-Restoration Berries such as the Figy Berry, Snorlax has some rather interesting options to play around with now. To elaborate, Gluttony allows for the early use of certain Berries such as Liechi Berry 25% to 50% HP benchmark from the user. The last important factor to this is the new berry mechanics for Figy Berry and other similar Berries as all of them now replenish 50% of the total HP stat, if the user's HP is at 25% or below. With the new Figy Berry + Gluttony combination, Snorlax can now heal 50% of its HP back from taking some prior damage, though oftentimes above the original amount. As a result of this new combination mechanic, Snorlax attack its opponents almost freely knowing it will get back back to near full HP, or use the time to setup Curse. 

One of Snorlax's ways to alleviate its low defense stat is Curse by raising both its Attack and Defense stats by one stage, though at the seemingly "free" cost of lowering its pathetic speed stat. In fact, Curse Snorlax is one of the best "Anti-Trick Room" checks in the format since after one Curse, Snorlax is "faster" or slower than Eruption Torkoal in Trick Room, thus making it a strong offensive threat. If Snorlax can setup Curse's freely against opposing teams without any strong "nukes", Z-move options, or anti-setup strategies like Taunt/Roar, chances are Snorlax can be used as a vital win condition against opposing teams. 

For attacking options, Snorlax doesn't need much coverage such as against potential Ghost / Ground-types and maybe some Steel-types since the goal is to setup with Curse anyways. Nothing can't go wrong with STAB Return (or Frustration), as a base 102 attack with Curse setup can 2HKO opposing Pokemon who aren't resistant to Normal STAB like Rock-, Steel-, or Ghost-type. In that case, Snorlax actually learned a new Ground-type move called High Horsepower which is arguably "better" than Earthquake since 1) its not affected by Grassy Terrain, deals single-target damage, and 3) inflict more damage unto Fire-, Rock-, Electric-, Poison-, and Steel-type Pokemon than Earthquake from spread damage. 

The last move is an interesting topic for discussion arguments for having either Protect or Recycle. As everyone knows, Protect is a great "scout" move that allows the user to avoid any harm, status conditions, etc for at least one turn. This can be helpful if Snorlax is being "Double Targeted" down after getting a Curse setup so its other partner can knock or deal damage to one of the foes. Recycle is a interesting choice, but it allows Snorlax to essentially finally have pseudo 50% recovery by replenishing half the user's HP with reused Figy Berries (or others similar...also hence the name "Recycle"). The only issues this are Snorlax has to be about below 50% HP to activate the Figy Berry and can't use Recycle anymore if Knock Off. 

Here's a list of Damage Calcs below regarding Figy Berry Snorlax from its offensive attacks to defensive benchmarks:


Offensive Calcs

Z-Belly Drum

 

Snorlax @ Normalium Z  
Ability: Thick Fat  
Level: 50  
EVs: 156 HP / 4 Atk / 244 Def / 100 SpD  
Brave Nature  
IVs: 0 Spe  
- Return  
- Rock Slide / Earthquake  
- Belly Drum  
- Protect

Milestones:
- OHKOs most Pokemon at +6 with Return + Rock Slide / Eartquake.
- Take a Modest Z-Psychic from Tapu Lele in Psychic Terrain 
- Reduce Sand/Hail damage with HP Value.
- Note: Has 4 missing Evs due to TR Nature Brave.

To see how strong +6 4 Atk+ Snorlax hits, look at some of the damage calculations featured below against some of the bulkier Pokemon in the format:

Snorlax @ Assault Vest  
Ability: Thick Fat  
Level: 50  
EVs: 28 HP / 196 Atk / 252 Def / 28 SpD / 4 Spe  
Adamant Nature  
- Return / Facade
- High Horsepower  
- Heavy Slam  
- Wild Charge

Milestones:
- Tanks most Special hits extremely well as 3HKOs at least.

- Takes one High Jump Kick from Adamant Pheromosa after Intimidate.
- Neither Z-Earthquake from Garchomp, Z-Psychic from Lele, or Z-Hydro Pump in rain from Golduck OHKO AV Snorlax.
- Full Power Sun-boosted Eruption from Torkoal is a 6HKO.
Takes less Hail/Sand Damage due to HP Value.
- Note: Can have Brave Nature with 0 IVs.

With Snorlax's rather large HP and noticeable Special Defense stat, Snorlax is an excellent candidate for the Assault Vest item. Thanks to the Assault Vest, Snorlax can take special attacks better than before and can be used as a special pivot. In fact, since Snorlax isn't running Gluttony as the ability of choice, Thick Fat is viable here to further reduce the damage of Fire- and Ice-type type attacks, especially from the likes of Drought Torkoal and Snow Warning Ninetales. Without any status moves, Snorlax has to rely on its coverage options to deal damage to its enemies, which thankfully is threatening enough to use. For Normal-type STAB, Return can be used to hit opposing Pokemon for decent damage, and even 2HKO most frail Pokemon. Facade is a rather risk-reward Normal-type attack which can be beneficial if Snorlax gets burn, paralyzed, or poison. High Horsepower is Snorlax's single-target Ground-type moves which allows it to hit opposing Steel-, Ground-, and Rock-type Pokemon. Heavy Slam is a interesting Steel-type move Snorlax can abuse thanks to its extreme heavy weight to either 2HKO or OHKO many of the common Rock-, Fairy-, and Ice-type Pokemon in  the format. Lastly Wild Charge is opted as a last resort move for Flying-types, notably against Pelipper, Gyarados, and Celesteela.