INFO - Upgrade Sketches

[Woifbert]

thx to shutruk nahunte a info about how much sketches you need for special upgrades

https://plarium.com/forum/en/sparta-war-of-empires/game-discussion/47150_upgrade-sketches-cost-table--building-/

[Rollo]

I play within myself eithout spending large sums of money and loolimg at the sketches for acropolis it's a lot of money.

Why doesn't Plarium offer more options on winning sketches as a reward