Lost Citadel because Server Disconnect

i just can't handle this!!!

searchichng for a week for the copper citadel, finally found it and got disconnected in the boss fight because your server in EU not working properly.. got back in and Citadel is failed... really thank you.. im literally done!!! it took me days literally a week to find the first copper citadel and than getting disconnected... tens of hours grind.. for literally nothing THANK YOU!!!!!