Good Morning, Smogon!
With a very reasonable general feeling that this generation is coming to a soon close, I can't help but feel that it is too soon and many things are far from totally explored, and on the top of that list is...
Stellar Terastalization
When a Pokémon Terastallizes into the Stellar type, it gains an attack boost for every move's type, but only once per type; 2× for the Pokémon's original types and 1.2× (4915/4096) for every other type, including Stellar. After a move is used, no other moves of that same type will receive this boost from being Terastallized.
1. Sets from other players utilizing tera stellar you may have seen or battled:
(note that the credited names are from the teams i pulled the set from/ the first player i saw using the set if i remember them)
by xavgb (Gholdengo) @ Air Balloon
Ability: Good as Gold
Tera Type: Stellar
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Nasty Plot
- Shadow Ball
- Make It Rain
- Psyshock
by MRH1106 (Hatterene) @ Life Orb
Ability: Magic Bounce
Shiny: Yes
Tera Type: Stellar
EVs: 248 HP / 8 Def / 252 SpA
Quiet Nature
IVs: 0 Atk / 1 Spe
- Trick Room
- Expanding Force
- Draining Kiss
- Mystical Fire
by Haxrme&pkel (Enamorus) @ Choice Scarf
Ability: Contrary
Tera Type: Stellar
EVs: 252 SpA / 4 SpD / 252 Spe
Modest Nature
- Moonblast
- Earth Power
- Tera Blast
- Healing Wish
by Disorient??? (Zamazenta) @ Life Orb
Ability: Dauntless Shield
Tera Type: Stellar
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Close Combat
- Crunch
- Ice Fang
- Heavy Slam
(my memory is very foggy about this one^)
by blooclipse (Kyurem) @ Loaded Dice
Ability: Pressure
Tera Type: Stellar
EVs: 52 HP / 252 Atk / 204 Spe
Jolly Nature
- Substitute
- Dragon Dance
- Icicle Spear
- Scale Shot
Walking Wake @ Mystic Water
Ability: Protosynthesis
Tera Type: Stellar
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Hydro Steam
- Draco Meteor
- Flamethrower
- Flip Turn
Overqwil @ Life Orb
Ability: Swift Swim
Tera Type: Stellar
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Gunk Shot
- Crunch
- Liquidation
- Swords Dance
Serperior @ Leftovers
Ability: Contrary
Tera Type: Stellar
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
- Leaf Storm
- Tera Blast
- Glare
- Dragon Pulse
Barraskewda @ Mystic Water
Ability: Swift Swim
Tera Type: Stellar
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Liquidation
- Flip Turn
- Poison Jab
- Close Combat
2. Notes and a vague critrea for using tera stellar:
2.1: Do
NOT use stellar on pokemon that are:
- passive walls

; as these would much rather use a defensive tera
- mostly reliant on a single type of attacks

; as these would much rather tera to that type
2.2: I have found tera stellar to be very nice on pokemon that simply like the middle ground between two different teras more than commitment;
Ceruledge @ Life Orb
Ability: Weak Armor
Tera Type: Stellar
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Close Combat
- Bitter Blade / Swords Dance
- Shadow Sneak
- Poltergeist
252+ Atk Life Orb Tera Stellar Ceruledge Close Combat vs. 252 HP / 52 Def Garganacl: 333-393 (82.4 - 97.2%) -- 68.8% chance to OHKO after Stealth Rock
252+ Atk Life Orb Tera Stellar Ceruledge Poltergeist vs. 252 HP / 252+ Def Dondozo: 221-260 (43.8 - 51.5%) -- guaranteed 2HKO after Stealth Rock (24-10 chip required for the 2hko)
This set, inspired by greninja's, also utilizes a combination i have really liked with stellar which is stellar + lorb aoa and stellar + lorb 3a; both utilize tera stellar's benefit for maximum coverage while getting an instantous band boost (1.56x) on coverage and a stab tera boost + almost band on stabs (2.4x).
Note that this is not without a drawback as this lacks tera fighting's defensive utility and tera ghost's excellence at cleaning offense with shadow sneak
Glimmora @ Power Herb
Ability: Toxic Debris
Tera Type: Stellar
EVs: 252 SpA / 4 SpD / 252 Spe
Modest Nature / Timid Nature
IVs: 0 Atk
- Meteor Beam
- Earth Power
- Dazzling Gleam
- Sludge Wave / Energy Ball / Stealth rock / Mortal Spin / Spikes
+1 252 SpA Tera Stellar Glimmora Meteor Beam vs. 244 HP / 228+ SpD Gliscor: 348-410 (98.8 - 116.4%) -- 93.8% chance to OHKO
This set also demonstrates another way of utilizing tera stellar while minimizing the single use problem by simply using it to boost a single use attack while getting the benefit on the rest of your attacks.
3. More sets by me from my cold storage for more examples:
Iron Moth @ Power Herb
Ability: Quark Drive
Tera Type: Stellar
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Fiery Dance
- Sludge Wave
- Energy Ball
- Meteor Beam
Great Tusk @ Booster Energy
Ability: Protosynthesis
Tera Type: Stellar
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Close Combat
- Headlong Rush
- Head Smash
- Rapid Spin
For sun (Great Tusk) @ Life Orb
Ability: Protosynthesis
Tera Type: Stellar
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Close Combat
- Headlong Rush
- Temper Flare
- Rapid Spin
Venusaur @ Life Orb
Ability: Chlorophyll
Tera Type: Stellar
EVs: 4 Def / 252 SpA / 252 Spe : 4 Atk/ 252 SpA/ 252 Spe
Modest Nature / Rash Nature
IVs: 0 Atk / ---
- Growth
- Solar Beam
- Weather Ball / Earthquake
- Sludge Bomb / Earthquake
Darkrai @ Life Orb
Ability: Bad Dreams
Tera Type: Stellar
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Dark Pulse
- Sludge Bomb
- Ice Beam
- Focus Blast
Deoxys-Speed @ Life Orb
Ability: Pressure
Tera Type: Stellar
EVs: 4 Def / 252 SpA / 252 Spe
Modest Nature
IVs: 0 Atk
- Nasty Plot
- Psycho Boost
- Focus Blast
- Shadow Ball
for gterrain (Gholdengo) @ Life Orb
Ability: Good as Gold
Tera Type: Stellar
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Recover
- Shadow Ball / Psyshock
- Make It Rain / Thunderbolt / Dazzling Gleam
- Focus Blast
TLDR: Use tera stellar if you see multiple nice calcs and want them all or a single calc for a tera you are not willing to commit for (such as rock for herb glimmora/iron moth) kind of similar to type boosting items

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