The art depicts both fighting in the same battle, and we see two perspectives of that one fight - you can see Fang is in the background of Vanille's art and vice versa
Give it to them
More on the Lore front, Fa Zhou - War Hero, gives players a chance at 3 extra Lore points with its ability Training Exercises: Whenever one of the player's characters challenges another character, as long as it's the second challenge in the turn, the player gains 3 Lore
Similarly, Matoya, a character from the very first entry in the series, is shown here in her XIV incarnation
Its the perfect starting point, easy to learn, yet deep enough that youll still enjoy it after dozens of games
Getting to self-wheel on EtB before flipping into a 9/9 that can fight something and generate you a decent chunk of mana, before flipping back to a self-wheel