Brand is a burst mage whose whole identity rests on one idea: set enemies on fire, then get paid for it. His passive, Blaze, makes each spell ignite its target with damage over time that stacks, and his other abilities hit harder against enemies that are already burning. Because of that, the order in which he casts becomes the real skill. Four buttons can produce wildly different outcomes depending on how you sequence them.
He can be played mid, though most players now take him as a support, and he is at his best in long skirmishes and objective fights where enemies bunch up. Pillar of Flame is his main area-of-effect nuke and deals 25% bonus damage to ablaze targets. Conflagration jumps to nearby enemies, and the spread doubles if the original target is burning. If you land either spell first, Sear, which is otherwise just a fireball, reliably becomes a stun.
Pyroclasm, his ultimate, bounces up to five times between Brand and nearby enemies, and it favors pushing Blaze to its maximum stacks on champions. That makes it brutal in 2v2 lane fights and in messy teamfights alike. When Blaze reaches max stacks on champions or large monsters, the target takes extra punishment, so his damage grows the longer a fight goes on.
The kit leaves Brand with clear gaps: he has no dashes, no shields, and no real peel beyond one conditional stun. Survival depends on careful positioning, using his range, and keeping his rotation tight. He suits players who like solving combo-order puzzles and enjoy watching area damage melt a whole team, as long as they can live with the fact that one well-timed gap-closer can finish him off.