In general, as stated here and here, most skins in Paladins are not considered canon or part of the lore, and are largely either "What-If"s or alternate universes. However, there are a few skins that have certain degrees of canonicity to them.
These skins are completely canon to the lore and have no current conflicting information regarding their canonicity. This category includes:
- Seal Guardian Vora - As shown in the card A Broken Path and A Change of Faith, Vora's reveal trailer, and Yagorath's reveal trailer, this skin depicts Vora prior to becoming corrupted by the Darkness.
- Guild Skye - As can be seen here, this skin has appeared in an official lore video. No other evidence is currently known that contradicts the canonicity of this skin. It is unknown why Skye took up this appearance.
- Exemplar Corvus - As revealed here, one of Corvus' available skins at the time shows what he looked like prior to joining the Magistrate, meaning this is likely Corvus during his time at the Outer Tribunal. While not explicitly mentioned as being this skin in particular, as Corvus' other skins are a "what-if" Abyss version and an Echo skin, it leaves only this skin remaining.
- Beach Bunny Rei - This skin appears in Rei's card Rest and Relaxation and features Rei in beach attire.
Parts of these skins are confirmed to be somewhat canon, but not completely. They are as follows:
- Honor Guard Vora - Appearing at the start of Vora's reveal trailer, this skin is used to represent a number Vora's fellow fallen warriors. This was most likely done to save on resources, so while this skin does not depict a canonical version of Vora, it can be thought to possibly represent other warriors of Io to a limited degree.
- Ska'drin Ash - When first released, Ska'drin Ash was noted to have a few lines towards Mal'Damba, revealing a potential connecting between the Ska'drin and Wekono. It was later revealed here and here that this skin is partially canon, and that Wekono is at least acknowledged by the Ska'drin.
Echo / "What-If" Skins
Echo and What-If skins are similar, both showing an alternate version of a character. This naturally means these skins aren't inherently canon. As revealed here regarding Echoes in particular, they are alternate versions of a champion from another reality. One distinction between Echo skins and "What-If" skins are the unique names Echoes are given. It's unknown if "What-If" skins are also Echo skins, it is also unknown whether every skin is considered a "What-If" skin due to the nature of skins. As revealed here and here, the only currently confirmed Echo and "What-If" skins are as follows:
- Pyre-Lord Magnus - An alternate version of Corvus. Potentially representing an unseen Pyre-Lord. It was later stated here that Magnus is a "what if Corvus was given power in the same way as Furia", making Magnus both an Echo and "What-If" skin.
- Remix Pepper - Accidentally summoned to the Realm by Pip (as revealed here, and in the Paladins 1.8 Update Show (timestamp 53:20) here), Pepper is an alternate version of the Vulpin, though unlike Pip, she's apparently a world class DJ. Pepper later appeared in Yagorath's card Deadly Pursuit, albeit in a different outfit, confirming she is still present in the Realm. It is unknown what role she plays or why she remained in this world. So far, Pepper is the only confirmed Echo or "What-If" skin to be brought into canon.
- Abyssal Acolyte Covus - As revealed here, this skin is a "What-If" version of Corvus that has fully embraced the Abyss.
- Omega Skins - As confirmed here, the Omega skins are a "What-If" version of the characters from a far-flung future version of the Realm.
Potential Echo / "What-If" Skins
These skins fit the description of alternate versions of a champion from another reality or a "What-If" scenario, but have not yet been officially confirmed to be Echo / "What-If" skins. They are as follows:
- Legionnaire Atlas - As revealed here, Legionnare Atlas is an alternate version of Atlas from a better future where the fight against the Darkness was more successful, so there was no reason for this version of Atlas to go back in time.
These skins have either appeared in official lore related media, or have otherwise been confirmed to be canon, but for one reason or another, are currently questionably canon. They are as follows:
- Abyssal Lord Drogoz - The main antagonist of the Rise of Furia event, Abyssal Lord Drogoz has appeared during an in-game cutscene, Raum's card Apocalypse, as well as Soul-Stealer Furia's splash art. In a statement shown here, Abyssal Lord Drogoz the skin was stated to not literally be one of the Abyssal Lords. The exact canonicity of this skin is uncertain, though based on the previous statement, as well as the fact the skin is heavily inspired by the Abyssal creature that appeared in the Rise of Furia lore cinematic, which released as part of the same update, it's possible this skin is merely meant to be a stand-in for the creature from the lore cinematic; this is further supported by two statements, as well as this teaser. However, all of this is currently unconfirmed.
- Day Walker Vivian / Knightmare Fernando / Death Speaker Ying / Full Moon Viktor - The four confirmed Abyssal Echoes. As part of the Dark Tides event, they would appear as bosses, and would occasionally utter lines implying Dredge had summoned them. As the Abyssal Echoes and Dredge's capability of summoning them has not been mentioned since, it is unknown if this ability, and the Echoes by extension, are canon. It was later stated they're not technically canon, but still might be canon in a way.
- Aurora Furia - This skin was stated to be a powered-up version of Furia (in the Paladins 1.4 Update Show (timestamp 1:04:10)) here. However, this skin may no longer be considered canon, as can be seen here. As well as due to the fact Furia has reappeared in lore since in her default appearance, being in the larger version of Yagorath's card Out Of Time.
- Outlaw Sha Lin - This skin was stated to be an older version of Sha Lin who's been through a lot more (in the Paladins 1.4 Update Show (timestamp 55:35)) here. However, similarly to Aurora Furia, this skin may no longer be considered canon, as can be seen here. As well as due to the fact Sha Lin has reappeared in the lore since in his default appearance, being in Yagorath's teaser trailer.
- Dragonborn Moji - This skin was stated to be a more mature version of Moji (in the Paladins 1.4 Update Show (timestamp 59:30)) here. However, as with the previous two, this skin may no longer be considered canon, as can be seen here. As well as due to the fact Moji has reappeared in the lore since in her default appearance, being in Yagorath's card Deadly Pursuit. Though a beach version of this skin seems to appear in Beach Bunny Rei's splash art, making the skin's canonicity more unclear.
- Overlord Khan - This skin was stated as depicting a younger version of Khan, one who's wearing an earlier version of his armor, and has his personality cranked up to 11, as shown (in the Paladins 1.4 Update Show (timestamp 51:40)) here. However, as with the previous three, this skin may no longer be considered canon, as can be seen here.
- According to Paladins artist Thunderbrush here, Abyssal Lord Drogoz is an Echo skin. However, due to Abyssal Lord Drogoz seemingly being more tied to canon than an alternate reality, it is difficult to say if this is accurate.
- Thunderbrush has also stated that Pyre-Lord Magnus is canon to the main story, though whether this means Magnus is currently in the Realm is not confirmed.
- However, another statement conflicts with this information, saying Magnus isn't part of the main timeline and is not really canon.