Jayce is a versatile champion from Piltover who wields the Mercury Hammer/Cannon. Here are the key facts about his development and lore:

Development

• Voiced by Trevor Devall in League of Legends/Legends of Runeterra and Kevin Alejandro in Arcane
• Originally called Apollo during development
• Initially prototyped with three forms instead of two
• The gun-hammer concept emerged from his identity as a Piltovan inventor

Lore & Background

• In Arcane, Jayce is 24 years old in Act 1 and 31-32 in Acts 2-3
• Official height: 188 cm (6'2")
• Signs all his inventions with a "J" or his full name
• Created a special bracelet using the HexCrystal given to him by a mysterious mage

Gameplay Highlights

• Was the 100th released champion
• Has access to 8 abilities (through Transform Mercury Cannon/Hammer)
• One of few champions considered both ranged and melee
• Can access all abilities at Level 1
• Third champion with a dedicated recall animation on release

Notable Features

• Dance references "U Can't Touch This" by MC Hammer
• Title "Defender of Tomorrow" likely references Superman
• Notable voice lines include references to:
  • "Hammer time!" (MC Hammer)
  • "Shocking" (James Bond)
  • "Energize!" (Star Trek)

Skins & Themes

• Features in multiple skin lines including:
  • Debonair
  • Battle Academia
  • Arcane
  • Battlecast
  • Full Metal
  • Brighthammer

The character represents the pinnacle of Piltovan innovation, combining advanced technology with traditional combat methods in a unique hybrid fighting style.

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