- Jayce was the 100th released champion.
- He was also:
- The third to have a Darius and Draven. animation on release, the others being
- The second to start the game with an unlocked Ultimate ability, the others being Elise, Karma, and Nidalee.
- The fourth to have access to all four abilites at Level 1, the others being Elise, Karma, Nidalee, and Udyr.
- The third to have more than four abilities, the others being Elise, Gnar, Lee Sin, Nidalee, and Rek'Sai.
- The first to have access to eight abilities ( Transform: Mercury Cannon and Transform: Mercury Hammer counted separately)
- One of five champions to be labeled as both melee and ranged, the others being Elise, Gnar, Kayle, and Nidalee.
- He was also:
- Jayce's dance references U Can't Touch This by .
- Jayce's title 'the Defender of Tomorrow' references .
- Jayce's production name was ' ' referencing .
- When Jayce's lore turned Viktor into a 'Saturday morning cartoon villain' it was rewritten.
- Before him Shyvana had also had her lore changed due to the playerbase.
- Jayce appears to have a dominant left eye (he holds the Mercury Cannon like a soldier would a rifle) and a dominant right hand (with which he holds the Mercury Hammer near the top)
- "Heh. Gotcha!" might be referencing from .
- "Shocking" might be referencing Goldfinger from .
- "Hammer time!" references U Can't Touch This by .
- "Energize" might be referencing .
- Jayce shares quotes with:
- Classic Jayce [ |
- He might be referencing the and/or factions from .
- He resembles from and from .
- Full Metal Jayce [ |
- He might be referencing .
- His helmet resembles 's from .
- He shares this theme with Full Metal Pantheon [ | , Full Metal Rammus [ | , and Full Machine Viktor [ | (whom he resembles and sounds like)
- Debonair Jayce [ |
- He celebrates Valentine's Day 2013.
- The background might be influenced by and Jayce himself by from by .
- He resembles and from .
- He references ( incarnation) and ( )
- His references .
- He shares this theme with Debonair Ezreal [ | , Debonair Galio [ | , and Debonair Vi [ | .
- Forsaken Jayce [ |
- He resembles from .
- He references the from .
- He shares this theme with Forsaken Olaf [ | and Chosen Master Yi [ | .
- Jayce founded The Resistance to counteract Viktor and his Glorious Evolution after their clash over the arcane crystal.
- Jayce is fascinated by purely robotical lifeforms but disgusted by necromantic experiments and augmentation.
- Jayce deems Heimerdinger as an academic influence while he 'amusedly respects' Rumble and Ziggs.
- While Jayce is not part of the Piltover Police Force they frequently cross paths (results may vary)
- Jayce helped Ezreal access restricted areas in Piltover Academy's library so the Prodigal Explorer could research records of Aatrox's existence.