- Fledgling Hero of Warcraft will not be rewarded retroactively. Anyone who leveled a character to level 20 after 19:00 CET on March 11 will be eligible to receive Lady Liadrin.
- No World of Warcraft subscription is necessary. A character leveled on a World of Warcraft Starter Edition will award this achievement.
- Despite obtaining the achievement when creating a Death Knight, it will not award this achievement.
- Character boost does not count.
- Hotfix (2016-03-15): Fixed an issue where characters that reach level 20 while inside of an instance were not receiving credit for the achievement.
- Hotfix (2016-03-15): Become a Hero in Azeroth and Earn a Hero in Hearthstone!