silver_apple
An apple that is colored silver, though this is mainly seen as a gameplay_mechanic in Fate/Grand Order that fills the player's AP gauge by half.
See also
* Golden Apple (Golden Fruit)
* Summon Ticket (fate)
* Holy grail (fate)
* Chaldean visionary flames
* Mana Prism
** Rare Prism
* Saint Quartz (fate)
** Saint Quartz Fragment