Hero Fest (Book III)

Hero Fest
Hero Fest	Featured units	Lewyn: Guiding Breeze Ophelia: Dramatic Heroine Owain: Chosen One Eir: Merciful Death
	Start date	2018-12-11
	End date	2018-12-18
	Description	To celebrate the release of Book III, four dependable Heroes—including Eir: Merciful Death—are part of a 5★ summoning focus! (Notification)

Appearance rates

See Summonable Heroes for a full table of the regular pool of summonable heroes.

Number of units in a pool
	5★ Focus	5★	4★	3★
Red	1	40	32	28
Blue	1	26	29	25
Green	1	19	19	18
Colorless	1	17	28	25

Orb color distribution
	Red	Blue	Green	Colorless
Individual	29.53%	26.44%	18.39%	25.64%
All	0.22%	0.13%	0.02%	0.11%
At least one	82.62%	78.47%	63.79%	77.27%
None	17.38%	21.53%	36.21%	22.73%

Average Orbs cost
	Any	Red	Blue	Green	Colorless
Non 3/4★	49 ≈ 12	52 ≈ 11	56 ≈ 12	45 ≈ 10	63 ≈ 14
5★ Focus	69 ≈ 17	90 ≈ 19	81 ≈ 17	64 ≈ 14	83 ≈ 18
5★	105 ≈ 26	96 ≈ 21	121 ≈ 26	123 ≈ 26	164 ≈ 35

The orb color distribution table displays the chances for a certain orb color to appear.
- Individual: The chance for a randomly selected orb to be a certain color.
- All: The chance for all orbs to be a certain color.
- At least one: Chance for at least one of this orb color to show up in a summoning session.
- None: Chance for no orbs of this color to show up in a summoning session.
The Hero rates tables shows the chances for specific Heroes.
- Appearance rate: Individual appearance rate. This is the chance for a randomly selected orb to contain the Hero. This includes all focus and non-focus rarities for the Hero. This rate × 5 is the chance for the Hero to show up at all in one of the 5 orbs in a summoning session.
- Rate | Orb color: The chance to summon a specific Hero given that their orb color has appeared and is being summoned from. This is dependent on color distribution of units in all the pools. This includes all rarities focus and non-focus rarities of the Hero.
The average orb cost table displays the average number of summons and their corresponding average number of {{It|Orb}}s required to obtain a desired kind of Hero.
- Any: All 5 orbs of a summoning sessions are used, independently of their color.
- Red, Blue, Green, Colorless: Only the orbs of the corresponding color are selected. The cost of a summon is inversely proportional to the distribution of its color.

For more detailed information, see Summon#Color Distribution.

Skills

Hero	Weapon	Assist	Special	Passive A	Passive B	Passive C
Lewyn: Guiding Breeze	Wind Elwind Rexcalibur Forseti	—	Night Sky Glimmer	Darting Blow 1 Swift Sparrow 1 Swift Sparrow 2	Special Spiral 1 Special Spiral 2 Special Spiral 3	Odd Atk Wave 1 Odd Atk Wave 2 Odd Atk Wave 3
Ophelia: Dramatic Heroine	Light Ellight Shine Missiletainn	Rally Attack Rally Up Atk Rally Up Atk+	Rising Light Blazing Light	Death Blow 1 Sturdy Blow 1 Sturdy Blow 2	Chill Res 1 Chill Res 2 Chill Res 3	—
Owain: Chosen One	Iron Sword Steel Sword Silver Sword Missiletainn	—	Glowing Ember Bonfire Blue Flame	Atk/Def Bond 1 Atk/Def Bond 2 Atk/Def Bond 3	Wrath 1 Wrath 2 Wrath 3	Spur Spd 1 Spur Spd/Def 1 Spur Spd/Def 2
Eir: Merciful Death	Iron Dagger Steel Dagger Silver Dagger Lyfjaberg	—	Chilling Wind Iceberg	Darting Blow 1 Swift Sparrow 1 Swift Sparrow 2 Atk/Res Bond 1 Atk/Res Bond 2 Atk/Res Bond 3 Atk/Res Unity	Mystic Boost 1 Mystic Boost 2 Mystic Boost 3	Sparkling Boost Sparkling Boost+