Can be done, but does take some serious effort. With an average attack of 2500 dark you will need about 22 attacks. I suggest a few training potions. Using that you can get about 20k in an hour, so 2 to 3 hours of work should do it.
Just did 70k 😭
It won't hurt to upgrade walls, or since you are practically maxed, you can upgrade your TH
Judging by the maxed walls I suspect all upgrades are done, only maybe not the king, I can't find it, or troop upgrades. So indeed time for th11! Good work!
In gold league, I would just lose 400-500 trophies and gain upto 80k dark elixir.... Using goblin and thunder spell
What do you think?