SCF: Berserker's Blows

Barbarian

You strike hard while you rage, often because of your rage's rageful raging.

If you started your turn while under the effects of Rage, you gain an Additional Attack, much like the Additional Attack common feature you will get later.

You also gain an Additional Attack when combat starts.

Additional Attack

The first time in a turn you use the Attack Action

— ◈◈ / ◈-◈◈◈ or an Ability that starts an Attack action (such as Shocking Strike, you gain 1 more Attack, as if you spent the 2 actions / ◈◈ to do so. The amount of additional attacks you generate is the same number of times you have this common feature.