An event to celebrate the 3rd Anniversary of Fire Emblem Heroes.
Guaranteed 5★ Special Hero Summoning Event[ | ]
Active: to .
An event with a guarantee 5 
Special Hero was held during the active period. Availables heroes are all special units released between the second half of January 2019 and January 2020. This event will end after the first summon.
A Hero Rises 2020[ | ]
Active: to .
An A Hero Rises event was held during the active period. The event was split into two parts. An online vote to chose the 8 units which will be part of the final and an in-game Voting Gauntlet event.
The online vote was held between and and the finalists were:
Altina: Dawn's Trueblade- Alfonse: Askran Duo
- Sothis: Girl on the Throne
- Leif: Unifier of Thracia
- Sothis: Silver Specter
- Azura: Vallite Songstress
- Alm: Saint-King
- Edelgard: The Future
The Voting Gauntlet was held between and .
3rd Anniversary Hero Fests, Log-in Bonuses & Present[ | ]
Active: to .
During the active period, three Hero Fest events were held:
- to : 3rd Anniversary Hero Fest, Part 1, featuring the winners of the Choose Your Legends: Round 3 event.
- to : 3rd Anniversary Hero Fest, Part 2, featuring the winners of the Choose Your Legends: Round 2 event.
- to : 3rd Anniversary Hero Fest, Part 3, featuring the winners of the Choose Your Legends: Round 1 event.
With each Hero Fest was held a daily Log-In Bonus which rewarded up to five 
/
/
First Summon Ticket.
Active: to .
333 
Heroic Grails were gifted during the active period.
3rd Anniversary Quests[ | ]
Active: to .
Three series of quests were released at the same time as Hero Fest Summoning Focuses. Clearing all quests rewarded with 9 
Orbs, 100 Heroic Grails and 30 
/
/
/
Dragonflowers.
There were also Aether Raids Quests with 
SP Aether Stones as rewards. Theses ones could be used to build an exclusive special structure for the defense map in Aether Raids and the Aether Resort.
3rd Anniv. (1)
| Availability | Quests | Rewards |
|---|---|---|
| – | KO Foe Defeat a foe. |    |
| KO Foe w/Red Defeat a foe using a red ally. (20 times) | | |
| KO Foe w/Blue Defeat a foe using a blue ally. (20 times) | | |
| KO Foe w/Green Defeat a foe using a green ally. (20 times) | | |
| KO Foe w/Colorless Defeat a foe using a colorless ally. (20 times) | | |
| Clear P37-1 Clear Paralogue 37: Part 1 with three allies deployed. (Allies deployed as cohorts using Pair Up do not count.) All three allies must survive. | | |
| Clear P37-2 Clear Paralogue 37: Part 2 with three allies deployed. (Allies deployed as cohorts using Pair Up do not count.) All three allies must survive. | | |
| Clear P37-3 Clear Paralogue 37: Part 3 with three allies deployed. (Allies deployed as cohorts using Pair Up do not count.) All three allies must survive. | |
Aether Raids
| Availability | Quests | Rewards |
|---|---|---|
| – | KO Foe w/Sword Defeat a foe with a sword ally. (5 times) | |
| KO Foe w/Lance Defeat a foe with a lance ally. (5 times) | | |
| KO Foe w/Axe Defeat a foe with an axe ally. (5 times) | | |
| KO Foe w/Colorless Bow Defeat a foe with a colorless bow ally. (5 times) | | |
| KO Foe w/Colorless Dagger Defeat a foe with a colorless dagger ally. (5 times) | | |
| KO Foe w/Red Tome Defeat a foe with a red tome ally. (5 times) | | |
| KO Foe w/Blue Tome Defeat a foe with a blue tome ally. (5 times) | | |
| KO Foe w/Green Tome Defeat a foe with a green tome ally. (5 times) | | |
| KO Foe w/Staff Defeat a foe with a staff ally. (5 times) | | |
| AR: Attack Successfully Successfully attack in Aether Raids. | | |
| AR: Attack Successfully Successfully attack in Aether Raids. (2 times) | | |
| AR: Attack Successfully Successfully attack in Aether Raids. (3 times) | | |
| AR: Attack Successfully Successfully attack in Aether Raids. (4 times) | | |
| AR: Attack Successfully Successfully attack in Aether Raids. (5 times) | | |
| AR: Attack Successfully Successfully attack in Aether Raids. (6 times) | |
3rd Anniv. (2)
| Availability | Quests | Rewards |
|---|---|---|
| – | KO Foe Defeat a foe. | |
| KO Lvl. 15+ Foe w/Inf. Defeat a foe that is level 15 or higher with an infantry ally. (20 times) | | |
| KO Lvl. 15+ Foe w/Cav. Defeat a foe that is level 15 or higher with a cavalry ally. (20 times) | | |
| KO Lvl. 15+ Foe w/Arm. Defeat a foe that is level 15 or higher with an armored ally. (20 times) | | |
| KO Lvl. 15+ Foe w/Flier Defeat a foe that is level 15 or higher with a flying ally. (20 times) | | |
| Clear P24-1 Clear Paralogue 24: Part 1 with three allies deployed. (Allies deployed as cohorts using Pair Up do not count.) All three allies must survive. | | |
| Clear P24-2 Clear Paralogue 24: Part 2 with three allies deployed. (Allies deployed as cohorts using Pair Up do not count.) All three allies must survive. | | |
| Clear P24-3 Clear Paralogue 24: Part 3 with three allies deployed. (Allies deployed as cohorts using Pair Up do not count.) All three allies must survive. | |
3rd Anniv. (3)
| Availability | Quests | Rewards |
|---|---|---|
| – | KO Foe Defeat a foe. | |
| KO Lvl. 30+ Sword Foe Defeat a sword foe that is level 30 or higher. (15 times) | | |
| KO Lvl. 30+ Lance Foe Defeat a lance foe that is level 30 or higher. (15 times) | | |
| KO Lvl. 30+ Axe Foe Defeat an axe foe that is level 30 or higher. (15 times) | | |
| KO Lvl. 30+ C Bow Foe Defeat a colorless bow foe that is level 30 or higher. (15 times) | | |
| KO Lvl. 30+ Staff Foe Defeat a staff foe that is level 30 or higher. (15 times) | | |
| KO Lvl. 30+ C Dagger Foe Defeat a colorless dagger foe that is level 30 or higher. (15 times) | | |
| Clear P11-1 Clear Paralogue 11: Part 1 on Hard or higher difficulty with three allies deployed. (Allies deployed as cohorts using Pair Up do not count.) All three allies must survive. | | |
| Clear P11-2 Clear Paralogue 11: Part 2 on Hard or higher difficulty with three allies deployed. (Allies deployed as cohorts using Pair Up do not count.) All three allies must survive. | | |
| Clear P11-3 Clear Paralogue 11: Part 3 on Hard or higher difficulty with three allies deployed. (Allies deployed as cohorts using Pair Up do not count.) All three allies must survive. | |
3rd Anniversary Daily Maps[ | ]
Bound Hero Party[ | ]
Active: to .
During the active period, a bound hero battle was back for a single day, accompanied with its summoning event and a quest. The 18 following Bound Hero Battle were back:
| 1. Alm & Celica (Focus) | 7. Tana & Amelia (Focus) | 13. Hector & Matthew (Focus) |
| 2. Cecilia & Lilina (Focus) | 8. Raven & Lucius (Focus) | 14. Leo & Elise (Focus) |
| 3. Ephraim & Eirika (Focus) | 9. Corrin & Azura (Focus) | 15. Micaiah & Sothe (Focus) |
| 4. Ninian & Hawkeye (Focus) | 10. Chrom & Lissa (Focus) | 16. Ishtar & Reinhardt (Focus) |
| 5. Minerva & Maria (Focus) | 11. Tiki & Nowi (Focus) | 17. Ephraim & Myrrh (Focus) |
| 6. Takumi & Hinoka (Focus) | 12. Seliph & Julia (Focus) | 18. Corrin & Kana (Focus) |
Note: Due to a maintenance, the Ninian & Hawkeye and Minerva & Maria battles started the same day, with no battle starting on the next day.
Daily Reward Maps[ | ]
Active: to .
Fourteen daily reward maps were released each day for four days during the active period. Each of them featured three heroes from one of the Fire Emblem games. Each maps was available in Normal and Hard difficulty. Clearing all maps in all difficulty rewarded with 28 Orbs.
| Map | Rewards | Heroes | Availability |
|---|---|---|---|
| 1 (Normal) 1 (Hard) | – | ||
| 1 (Normal) 1 (Hard) | – | ||
| 1 (Normal) 1 (Hard) | – | ||
| 1 (Normal) 1 (Hard) | – | ||
| 1 (Normal) 1 (Hard) | – | ||
| 1 (Normal) 1 (Hard) | – | ||
| 1 (Normal) 1 (Hard) | – | ||
| 1 (Normal) 1 (Hard) | – | ||
| 1 (Normal) 1 (Hard) | – | ||
| 1 (Normal) 1 (Hard) | – | ||
| 1 (Normal) 1 (Hard) | – | ||
| 1 (Normal) 1 (Hard) | – | ||
| 1 (Normal) 1 (Hard) | – |
