The Valiant achievements

Insult 30 different enemy Squads.

Build 3 towers.

Build a siege engine.

Start a mission from the single player campaign, with Reinhard carrying the rarest armour or weapon.

Kill an enemy Squad who is retreating.

Destroy 5 buildings or siege engines.

Immobilize 50 enemy Squads.

Form a bond with 10 different friendly Squads.

Unlock an Ability on a Hero's skill tree.

Slow down 300 enemy soldiers using Volley Ability.

Complete the Prologue missions called Brothers and The Severance.

Complete campaign on easy difficulty.