It is not possible to add a custom amount of balance that is below the minimum required
Customer Support can assist in recovering Battle.net Accounts if provided with necessary information.
What to do if you get the error HF-1 in Overwatch.
Information regarding the new professions system released with patch 8.0
What to do if you cannot kill the final boss, Epoch Hunter, in Old Hillsbrad Foothills
Blizzard Customer Support cannot lock your account on request
Information about how much Trader's Tender is available each month
Information about Battle Pass and Founder's Pack
What to do if you can't complete the quest "The Field of Ferocity: Master of the Hunt!"
What to do if your PvP gear not scaling properly in Arena or PvP matches or stats are permanently decreased