General overview

As of this writing, Broca is the only Centurion who can do Arts damage, and it is an incredibly powerful niche. As a result, his skills have some strings attached, and he lacks the damage mitigation toolkit that some of his other archetype members have. Even then, his strength outweighs the costs several times over, and he's a great option for quickly clearing out large volumes of tanky enemies. (Also, he's a housecat with a giant power drill.)

E2? You should E2 him if you use him. Masteries treat him well, and being able to block 3 increases his usage opportunities.

Talents

Broca's talent is a straightforward buff that increases his ATK and DEF if he's blocking at least 2 enemies. Blocking multiple enemies is kind of the point of his archetype, so this buff should be active almost constantly.

Skills

S1 (Galvanize) gives Broca an ATK buff and turns his attacks into Arts damage. It's a strong AOE Arts damage option, and it lacks the stun that comes with S2, which makes it a safer option for laneholding. This comes at the price of mediocre uptime (50 SP cost with a 27 second duration), so it needs to be timed carefully.

S2 (High-Voltage Current) increases his attack interval but grants him a 2-tile range extension, a huge ATK buff, Arts damage, and a slow with his attacks. Once the skill ends, he's stunned for 6 seconds. The stun needs to be managed properly, but this is a very powerful skill with great uptime otherwise.

Masteries

S1 gets some bonus damage and a bit of a duration increase from M3, but S2 is where you'll probably want to focus your resources if you use it a lot. S2M3 nearly triples his attack and reduces the SP cost by 4 seconds.

Modules

Module X gives Broca 110% ATK when attacking blocked enemies. The upgrades give him a minor increase to the stat increases in his talent. It's nothing major, but if you're already using him, you'll probably want to go for it just to bump his stats a bit more.