Swap adjacent gems to make matches of 3 or more like colored gems
The basic action of Legendary is to attack. To do this, swap two adjacent gems on the puzzle board to make a line of 3 or more of the same color in a row. You can swap gems in all 8 directions, and a swap must create a match of 3 or more in order to lock in. The color of gems you match will fuel the attack of any heroes on your team that match that affinity color. The five hero types are Fire (red gems), Water (blue gems), Earth (green gems), Light (yellow gems) and Dark (purple gems). So, if on your turn, you were to make one match with red gems and another with yellow, all Fire and Light heroes on your team would attack enemies.