New units. Their discussion and selection of upgrades.

But considering the improved luck stat

With absolutely perfect luck, definitely. ;) Otherwise... it depends on luck.

Also, it's worth getting closer to the enemy

Then they'll be eaten, and there will be no one left to shoot.

That is, the new ones are very good for clearing out neutral creatures, but for the decisive battle, maybe it's worth taking the old archer masters?!

If the enemy is an Orc and there's a way to eliminate the centaurs in the first turn, the archer masters will be more effective.