8th day of a 14 days calendar
The Hero Calendar was first introduced back in Winterfest 2016. It's a calendar with 5, 10, or 14 doors, every door offering sweet rewards. Players can earn 3 kind of 
keys to open the doors, each day one door. Doors reset when you opened them all at the last day and you open them again in any order.
Grog-Gnog Goretusk, Emperor Zulkodd[1], Serenity[2] arrived in Winterfest 2016 - 2019.
- Agnon ascended and dark doors opened in February 2018.
- The Age of Drakk the Warlord and his Age of Drakk Hero Calendar began in April/May 2018.
- Deadeye was introduced in the Deadeye's redemption Hero Calendar starting on June 22, 2018.
- Iris was introduced with a hero calendar starting on August 24, 2018
- Niveous was joined as 100th Hero with a hero calendar during the Frostfire Valentine's Event, starting on February 14, 2020 It was a 10 doors calendar event. A Dragon Pass (in-app purchase) offered 10 extra doors with tokens for Niveous.
- Lorelei flew into the game on March 18, 2020. The "little" Pixie is the 101st Hero. It was a 10 doors calendar event, and Pixie Pass offered 10 extra doors with tokens for Lorelei.
- Crucible was introduced in the Trial by Fire Hero Calendar starting on May 13, 2020. It was a 5 doors calendar event and the Legendary Igniter Pass offered 5 extra doors with tokens for Crucible.
- ↑ Jingle Pass was required for 14 extra doors & Zulkodd's Skin
Krampus Zulkodd
- ↑ Jingle Pass was required for extra doors & Skin for The Furnace (
Hearth Stone Furnace)
