Street Fighter X Tekken-skidrow _verified_ -

: A customizable feature allowing players to equip "Gems" that provide passive boosts to attack, defense, or speed when specific conditions are met. Pandora Mode

The did the following:

One of the standout features of the game is the "X Factor" system, which allows players to activate a super-powered state, increasing their character's strength and abilities. The game also introduces a new "Cross Super Combo" system, enabling players to perform complex combos and special moves. Street Fighter X Tekken-SKIDROW