When we upgrade troops and spells in lab some times u hav much more elxir or drk elxir which is needed , so my idea is when we go to upgrade n click on Valkyrie so we get a option to upgrade valkrie for 50k drk 60k drk 70k drk 80k drk Whatever you can afford the level of troops will be decided according the Number of times u upgrade a troop or spell .
Tell me wat u think 😎

