- Skarner was designed by Volty.
- Skarner's name is likely derived from an old Swedish mining term "skarn", which referred either to silicate waste rock or iron-bearing sulfite deposits.
- Similarly, the name of Skarner's people is derived from "brack", a Scottish past tense for break.
- Skarner is voiced by , who also voices .
- Skarner was first seen in Art Spotlight. The Art Spotlight was removed when the leak was noticed, and replaced with an edited version.
- Some champions, prior to their release, have an article in the Journal of Justice which foreshadows their arrival. As Skarner's arrival ties directly into the fate of Kalamanda, his entry as a champion has been the longest known buildup in LoL's official lore.
- Skarner ties for highest base damage at level 18 with Cho'Gath (130).
- Skarner's site of emergence, the Crystal Scar, is the Field of Justice for Dominion.
- IronStylus has stated that Skarner's head is based on an EVA unit from .
- In the U.R.F game mode (available in April 2014), Skarner was deemed overpowered and obnoxious, and was ultimately disabled in non-custom games.
- His joke: "Oh no! I seem to have stepped on one of my cousins!" is most likely a reference to the first movie.
- Skarner shares a line with Kha'Zix: "Limb from limb!"
- Skarner's quote while standing in the brush for a time (Skar-Skar-Skarner!) is a reference to the franchise, specificially those who say their own name as their racial cry.
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- It bears a resemblance to the elementals of the Selesnya Conclave of Ravnica in that they are made of bits of masonry connected by a system of plants. Examples of Selesnya elementals can be found here and here.
- He shares this theme with Xerath.
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- There may be an upcoming skin because such a character appears in the bottom left corner of 20px Battlecast Prime Cho'gath's splash art.
- A view of his face and stinger can be found in the splash art for Creator Viktor.
- He shares this theme with , and .