upgrade multiple troops in the lab

it would be great if we could upgrade multiple troops in the lab maybe 2 at a time .....but 1 at a time is inconvinient ..i have no problem if it would take more elixers/dark elixers for the purpose.....tnx:D

I was just thinking about this, since later in the game it takes weeks to upgrade. I think they want everyone to spend money to finish it. After the boosting resources I upgraded something in the lab and upgraded my Level 8 walls since they use eliker

Ruled out. Read the stickies.