Meet Seondeok, a powerful fire immortal but gentle that was introduced to the Infinity Kingdom in the Patch 1.9 version. If you want to expand your fire immortal team formation with some additional firepower. Then you have come to the right place because, in our best Seondeok immortal guide, we will cover skills, pairings, and equipment.
Seondeok is a powerful ranged immortal specializing in fire elements and can deal with high single target damage and explosive splash damage. She is a force to be reckoned with if you want to include a strong damage dealer immortal on the team.
Being a fire immortal means Seondeok deals additional damage to wind immortals. So, read and learn more about what you can do to maximize her combat capabilities and turn her into one of the best fire immortals!

Seondeok | Title: Queen Regnant of Silla
Troop Type: Bowmen | Attribute: Fire | Position: Ranged
Rarity: Epic
Seondeok Pros & Cons
Here’s list of pros and cons of having this immortal on your team:
Pros
- Super strong fire immortal.
- Awesome single-target damage.
- Solid splash damage with explosive skill.
- High damage output, effective for clearing enemies quickly.
- Perfect for both PvE and PvP battles.
Cons
- Very hard to obtain fragments for Seondeok
- Hard to level up, unlike Atalanta.
- Time-gated, available after Legion of Frostborne ends.
Seondeok Introduction
Seondeok is a ranged physical attacker that imbues fire elements. She is an expert in commanding bowmen troops and outfitted with a powerful skill, which deals both single-target and multi-target damage. Her active skill is called Might of the Phoenix.
To obtain Seondeok, you can obtain Seondeok fragments through the Hall of Immortals. You also can get more through Ancient Remnants at the Legion’s Vendor after the end of the Legion of Frostborne event.
Seondeok Skill
Learn more about the active skill and recommended passive skills.
Active Skill: Might of the Phoenix
Seondeok shoots a fierce arrow that concentrates the power of a phoenix, deal physical damage (Damage Rate x%) to the current target. For the next 6 seconds, an explosion will trigger whenever the enemy receives 1 critical attacks: Cause physical damage to all enemy units (Damage Rate y%).
Upgrade Preview:
- Damage Rate (x): 195/260/325/390/455/520/585/650
- Explosion Damage Rate (y): 75/100/125/150/175/200/225/250
Might of the Phoenix: Overall, a vital skill that does significant single-target damage. While there is a time delay, the explosive deals intense splash damage that is incredible at whittling away enemy targets quickly. That makes Seondeok a strong immortal on the team that lacks splash damage capabilities.
Recommended Passive Skills
Below is our recommended passive skills for Seondeok
- Onslaught: Physical attack increased by 60%.
- Duel Master: Physical attack increased by 50% and gain immunity to Wound.
- Adrenaline Rush: Normal attack have a 50% chance to generate 150 energy.
- Anger: Physical damage increased by 30%.
Best Immortal Pairings for Seondeok
Below are the best immortal pairings for Seondeok. Being a ranged immortal means, you need solid immortals with high health and defensive capabilities to the front. Of course, you will also want immortals that can grant skills to increase overall damage output. Find our recommended immortals to pair with Seondeok in the Infinity Kingdom.
William I

One of the best fire immortals to pair with is William I, the Conqueror. He comes with a powerful active skill that deals serious damage. Furthermore, once activated, it increases the critical strike chance for all units and immortals. While Seondeok is already a heavy hitter, the critical strike chance bonus will further cement her offensive capabilities. Especially when fighting against enemy teams that have a high health pool.
Cyrus the Great

If you are looking for support immortal that can provide the added benefit of stunning enemies through dealing critical strikes and reducing their resilience rate. Cyrus the Great is an excellent fire immortal that gives blanket support to your entire fire immortal team with his active skill called Static Armor. With this build, your team will become reliant on critical damage to hamper the enemy team’s combat strength.
Frederick I

Lastly, you need a solid frontline immortal that can absorb incoming damage while dishing out serious damage. This is where Frederick I comes into the play. He is not a defensive-focused immortal, but his active skill is powerful. 30% of the damage is converted into health that restores his troops. With added critical strike bonus, high physical damage output and fast energy regeneration will provide a safety net for Seondeok against incoming attacks.
Best Equipment for Seondeok
Here’s a list of best equipment to wear for this immortal:
Image | Name | Slot |
![]() | Abuzzi’s Quiver | Offhand |
![]() | Abuzzi’s Eagle Armor | Chest |
![]() | Abuzzi’s Barbute | Head |
![]() | Abuzzi’s Bow | Main Hand |
Conclusion of Best Seondeok Immortal Guide

Obtaining Seondeok in the Infinity Kingdom is not an easy feat. However, having her on your team will greatly boost the fire immortal team. Thanks to her high damage output, she can deliver powerful attacks to quickly eliminate enemies in a matter of seconds.
Now that you know who is the best immortals to pair with, skills and equipment to make Seondeok strong. As mentioned before, the best way to summon her is by collecting fragments that can be found in the Legion’s Vendor after the end of the Legion of Frostborne.
Did you find our Seondeok immortal guide for the Infinity Kingdom helpful and informative?
Let us know if you have any questions about this immortal in the comment section below. Lastly, check out our Infinity Kingdom Gift Codes for freebies and rewards!
Good luck, and see you on the battlefield!