There are many special achievements in "Warhammer 40,000: Space Marine 2", and strategic expertise is one of them. The requirement to complete this achievement is to make a profession reach the maximum level. The professional arms recommend tactical soldiers or vanguard soldiers, two All have hot melt.
How to make the strategic expertise achievement in Warhammer 40K Space Marine 2
Strategic expertise
A profession reaches its maximum level
The professional arms recommend tactical soldiers or vanguard soldiers. Both have melta, and both have strong skills. With experience, you can choose to grind the highest difficulty of the action map Purgatory (bringing a friend will make it easier to grind). At the end of the game, you can get about 1900 experience points, without calculating the gene seed experience bonus
