Is it consumed by time? Or everytime a drop is picked it is consumed? I mean will picking more drops make it consume faster?
You mean one energy or 1 % energy? Using pet buffs cost like 25% energy. Are you sure picking drops doesnt use energy?
My statement did not mention % so yes, it is 1 point of energy each minute. I am not sure if there is room for any doubts regarding this matter, nonetheless you can verify this really easy yourself and if you notice it is not correct let me know.