Merge Allies

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Merge Allies

Merge Allies is a feature that allows you to merge duplicates of the same Hero to gain benefits. It can be found under the Ally Growth menu.

Effects of Merging[edit | edit source]

There are a few things that can happen when merging depending on the star rarity of the characters used:

Merged Characters Result
Merging a lower star rarity unit into a higher star rarity unit Additional SP
Merging a higher star rarity unit into a lower star rarity unit Acts as if both units were of the lower rarity. Decreased Unlock Potential Feather Cost (Same amount as sending home the lower star rarity unit), Increased Stats*, Additional SP
For example, merging a 5★ unit into a 4★ unit will make a 4★+1
Merging a unit with previous merges to a non-merged unit of the same star rarity Increased Stats*, Additional SP. The non-merged unit will inherit the merges of the previous unit.

For example, if you have a Level 1 unit and you want to merge a Level 20+2 unit into the Level 1, the Level 1 will become Level 1+3.

Merging two units of the same star rarity (4★ and Below) Decreased Unlock Potential Feather Cost (Same amount as sending home), Increased Stats*, Additional SP
Merging two units of the same star rarity (5★) Increased Stats*, Additional SP
Merging a unit with previous merges to a non-merged unit of the same star rarity (5★) Increased Stats*, Additional SP. The non-merged unit will inherit the merges of the previous unit.

For example, a Level 1 unit merging with a Level 20+2 unit will result in a Level 1+3.

Merging a unit with inherited skills to a unit with its basic skills. All inherited and base skills and their learned status will be passed on.
Merging a unit with a refined weapon to a unit with a basic weapon. The refined weapon will be passed on with its learned status.
Merging a unit with a conferred blessing to a unit without one. The conferred blessing will be passed on.
Merging a unit with Dragonflower enhancements to a unit with fewer enhancements. The enhancements will be passed on, but not combined.

For example, a 3 flower unit merging with a 1 flower unit will result in a unit with 3.

The remaining enhanced character will receive the bonuses listed above, but any levels or SP from the source ally will be lost forever.

Additional SP[edit | edit source]

The amount of SP awarded to the resulting unit after a merge depends on the rarity of the sacrificed unit, as well as the number of merges the sacrifice already had.

Rarity Base SP
1★ 10
2★ 20
3★ 40
4★ 80
5★ 120

For merged source units, each additional unit merged into it previously adds the base SP of that rarity again. For example, merging a 2★ +2 unit into another unit grants the base SP of 20, and an additional 2 times 20, for a total of 60 SP.

Merge Stat Bonuses[edit | edit source]

When merging two units of the same star rarity, two stats will be selected to be increased by one. The two stats selected for each merge are the two highest 5★ level 1 raw stats for the character (after considering Asset and Flaw), which have not yet been increased. This repeats for each successive merge, making all stats increased by a total of 2 points each at +5, and 4 points each at +10.

In the case of a tie between two level 1 stats, the first one in the listed order will be chosen, HP > Atk > Spd > Def > Res.

The fact that HP is the highest Level 1 raw stat (without considering Weapon Mt and stat-increasing passives) for every character means that HP will be one of the increased stats at +1, +3, +6 and +8.

As of Version 3.2.0, if a unit has stat variance, then its first merge will add an additional 3 or 4 points to its flaw stat, whichever is enough to negate the flaw. For units that do not have stat variance (i.e. neutral), their three highest level 1 raw stats will each gain 1 additional point upon the first merge.

Merge Stats that gain +1
+1 The highest, and second highest Level 1 raw stat.
  • If unit has stat variation, their flaw stat is negated by an additional gain of 3 or 4 points.
  • If unit has no stat variation, the highest, second highest, and third highest Level 1 raw stat gain 1 additional point each.
+2 The third highest, and fourth highest Level 1 raw stat.
+3 The fifth highest raw stat, and the highest base Level 1 raw again.
+4 The second highest, and third highest Level 1 raw stats, again.
+5 The fourth highest, and the fifth highest Level 1 raw stats, again.
+6 The highest, and second highest Level 1 raw stat
+7 Same as +2
+8 Same as +3
+9 Same as +4
+10 Same as +5

Example[edit | edit source]

Consider a hero (neutral 5-star Olwen Blue Mage Knight Face FC.webp Olwen: Blue Mage Knight) with the following raw stats

Rarity HP Atk Spd Def Res
5★ 17 7 8 5 6

The first merge would increase the HP and Spd, as these are the highest two raw stats.

  • HP, Spd, and Atk will increase by an additional point each, as the unit is neutral and these are the highest three raw stats.

The second merge would increase the Atk and Res, as these are the next two.
The third merge would increase the final stat, in this case Def, and start a second round increasing HP, the highest raw stat.
The fourth merge would increase Spd and Atk, and the fifth merge would increase the remaining two: Res and Def.
The sixth merge would increase the HP and Spd, as in first one.

Merges seven through ten echo the merges two through five.


If this Olwen had an Atk Asset and a Res Flaw, her raw stats would be as follows, introducing ties.

Rarity HP Atk Spd Def Res
5★ 17 8 8 5 5

The first merge would increase the HP, as it is the highest stat. To break the tie for second between Atk and Spd, Atk is chosen because it is the first one.

  • Res would increase by an additional 3 points, as that is this unit's flaw, and 3 is enough to negate the flaw.

The second merge would increase the Spd, and break the tie between Def and Res by choosing Def, as it is the first one.
The third merge would increase the final stat, in this case Res, and start a second round increasing HP, the highest raw stat.
The fourth merge would increase Atk and Spd, which both tie for highest, and the fifth merge would increase the remaining two: Def and Res.
The sixth merge would increase the HP and Atk, as in first one.

Merges seven through ten echo the merges two through five.

Merged Icon Backgrounds[edit | edit source]

The Hero's icon background color changes depending on the rarity and amount of merges. Summoner Support overrides the standard background and border, but displays merges as 5★ rarity does.

Background Amount of Merges Summoner Support
Hana Focused Samurai Face FC.webpPane 1.pngHana Focused Samurai Face FC.webpPane 2.pngHana Focused Samurai Face FC.webpPane 3.pngHana Focused Samurai Face FC.webpPane 4.pngHana Focused Samurai Face FC.webpPane 5.png Unmerged Hana Focused Samurai Face FC.webpPane S.png
Hana Focused Samurai Face FC.webpPane Plus.pngHana Focused Samurai Face FC.webpPane Plus.pngHana Focused Samurai Face FC.webpPane Plus.pngHana Focused Samurai Face FC.webpPane Plus.pngHana Focused Samurai Face FC.webpPane Plus.png 1★-5★ +1 to +9 Merges
1★-4★ +10 Merged
Hana Focused Samurai Face FC.webpPane S Plus.png
Hana Focused Samurai Face FC.webpPane Plus.png 5★ +10 Merged Hana Focused Samurai Face FC.webpPane S Plus.png

Miscellaneous[edit | edit source]

Heroes that share the same illustration, name, and epithet are considered the same Hero. Even if the character is the same, Heroes with different illustrations and epithets are considered to be different Heroes. As such, you cannot use them in Merge Allies.

You cannot merge favorited heroes into other heroes. You can tell a unit is favorited if there is a heart icon on the character's icon.

Favorited Hero Icon.png

To un-favorite a character, press and hold the character's icon to get into the character's status page. Tap the heart to unfavorite that character.

Units that are +10 can still be merged for additional SP. However, if a unit is both +10 and has 9999 SP, it cannot accept any more merges.

In other languages[edit | edit source]

Language Name Notes
Japanese 限界突破 Limit break
German Verbündete verbinden
Spanish (Europe) Combinar héroes
Spanish (Latin America) Combinar héroes
French Fusion de héros
Italian Fondi alleati
Traditional Chinese (Taiwan) 突破極限
Portuguese Combinar aliados

Trivia[edit | edit source]