|Champion||Background||Strategy||Skins & Trivia|
- Xerath was designed by Volty with RiotRunaan and Ironstylus providing his original creative concept and art, respectively.
- Xerath is voiced by .
- Xerath was indirectly referenced in the Journal of Justice prior to his release.
- Xerath is one of several entities presented as (nearly) omnipotent in the League of Legends universe.
- Syndra has been speculated to be or have the potential to become godlike, much like Xerath.
- However much like Syndra, he is severely limited at the moment.
- Bard is potentially more powerful than Xerath, a being seemingly outside regular time and space. However, he does not show off his power as much as Xerath does.
- From the old lore, many people believed that Xerath was going to be Alowicious Chucat, a master artificer who died working on the . This was disproved with the release of Xerath's backstory.
- Xerath's new lore shares some similarities with Kefka Pallazzo from Final Fantasy 6/3. They have both deceived an emperor to become a greater magical being.
- From Xerath's perspective, he was punishing an injustice against a man who had promised him freedom, but who had never given it to him. Xerath wanted the power to free himself from being a slave, and was also tearing down a decadent society built on the backs of slaves. Perhaps he believed that he needed to destroy Shurima in order rebuild it up again, and that he would be the one to do it. When he was unexpectedly freed, he may have had regret at the time, but he had already set the gears in motion for Azir and Shurima's destruction. He believed there was no turning back from what he has done, and followed his plan to its completion. In the end, things didn't turn out as planned.
- When Xerath dies his body quickly becomes unstable and overly shiny, just to blow up a moment later, much like a nuclear-powered machine.
- The icon for Xerath's ability, Arcanopulse is slightly similar to that of the mastery Blast
- Xerath's dance is known as "industrial dancing", which is evident in the song Pong by Eisenfunk. A comparison can be seen here.
- Xerath himself can be seen when he performs his taunt. As he disarms the parts of his sarcophagus, a person made of pure energy or electricity can be briefly seen.
- When he dies this "person" disappears, what remains on the ground are the shattered remains of his sarcophagus.
- It's likely that that form was his actual look before he got locked away.
- Some speculate that Xerath is ambidextrous as he uses both left and right hands for different attacks and abilities, unlike most champions who almost always use the right one.
- Xerath is, along with Caitlyn, Lissandra, Rumble, Sion, Varus, Vi, and Ziggs, one of the few champions that can CC themselves.
- Xerath's appearance may be a reference to ' , which are also beings of pure energy.
- Xerath may have some relation to Dr. Xavier Rath, noted by simply :Xavier Rath. This is the doctor that gave Twisted Fate his magical abilities.
- Xerath's joke is a reference to the LARPing Lightning Bolt! video.
- He has an exclusive joke for the Brazilian server, inspired by a Windy of Tenebra (a Tibia player) conversation in TeamSpeak. A comparison can be seen here.
- He shares a quote with Final Boss Veigar: "I will show you true power!"
- Due to the community's popular demand, both of Xerath's skins were reworked. They both received new particle effects and colors due to them being too similar to the Classic skin before the rework. Battlecast Xerath has red particles and Runeborn Xerath has green particles.
- If Mordekaiser's ultimate, Children of the Grave, is on Xerath when he dies, the neon coloration of the skin will still be on the ghost. Classic skin will be blue, Battlecast will be red, Runeborn will be green, and Scorched Earth will have a lava texture, this is entirely unique for Xerath as all other champions lose all color and become grey and transparent while they are ghosts.
- The reason for this is because his body is a visual effect and not an actual model.
- In Xerath's champion spotlight, he was called "Lockdown Xerath" and Runeborn Xerath was called "Runeforge Xerath".
- He shares this theme with Kog'Maw, Cho'Gath, Vel'Koz, Viktor, Urgot and Skarner.
- It might be a reference to the military doctrine of Scorched Earth, in which anything deemed useful to the enemy is destroyed.
- His appearance and armor bears a similarity to Pyroviles, a volcanic alien species featuring in the fourth series of Doctor Who - "The Fires of Pompeii" episode. The Skin's splash art features a volcano in the background that shares a resemblance to Vesuvius.
- He shares this theme with Renekton. Perhaps these skins show how Renekton and Xerath were at the locked tomb according to their new lores.
- This skin may represent Xerath in his fully Ascendant form.
- The skin may be a reference to something out of Ahn'Qiraj from World of Warcraft.
- He shares this theme with Rammus, Skarner and Kha'Zix.
- Xerath is allied with Renekton as they spend millennia together trapped in a tomb. He likely drove Renekton mad over the ages, who is now a relentless creature of pure anger.
- Xerath is a mortal rival of Azir, as the magus tricked and killed the emperor to become an ascendant as revenge for with holding the promise of freedom from being a slave.
- According to Ryze, Xerath is an "Abomination of a mage" and that his hold over the magical powers he wields is "feeble".
- In Xerath's League Judgement it was revealed that he had a friend called Tabia. The two of them seemed to have romantic feelings for each other. Tabia tried to interrupt Xerath's transformation, who envisioned himself living a normal human life and dying as a mortal with her, and truly decided to cancel the ritual. Tabia was however killed by a falling statue, violently leaving Xerath with nothing left to turn to, but his ascension (he did consider just letting the magic kill him, but the ambition won him over). Whether or not Xerath still grieves for her is open for interpretation.
- He is being hunted by Kalista for his treachery of Azir.
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