Focus: Tanya and Osian's Battle

Focus: Tanya and Osian's Battle
Focus: Tanya and Osian's Battle	Featured units	Mareeta: Sword of Stars Tanya: Dagdar's Kid Osian: Scolded Soldier
	Start date	2021-01-16
	End date	2021-01-24
	Description	To accompany the start of Bound Hero Battle: Tanya & Osian, Tanya: Dagdar's Kid, Osian: Scolded Soldier, and Mareeta: Sword of Stars will be 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	63	34	34
Blue	0	48	36	35
Green	1	39	25	25
Colorless	1	30	39	39

Orb color distribution
	Red	Blue	Green	Colorless
Individual	25.97%	25.86%	19.24%	28.94%
All	0.12%	0.12%	0.03%	0.20%
At least one	77.76%	77.59%	65.64%	81.88%
None	22.24%	22.41%	34.36%	18.12%

Average Orbs cost
	Any	Red	Blue	Green	Colorless
Non 3/4★	57 ≈ 14	52 ≈ 11	110 ≈ 23	49 ≈ 10	74 ≈ 16
5★ Focus	97 ≈ 24	94 ≈ 20	–	75 ≈ 16	97 ≈ 21
5★	97 ≈ 24	89 ≈ 19	110 ≈ 23	102 ≈ 21	165 ≈ 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
Mareeta: Sword of Stars	Iron Sword Steel Sword Silver Sword Mareeta's Sword	—	New Moon Luna	Atk/Spd Solo 1 Atk/Spd Solo 2 Atk/Spd Solo 3	Close Call 1 Close Call 2 Close Call 3	Rouse Atk/Def 1 Rouse Atk/Def 2 Rouse Atk/Def 3
Tanya: Dagdar's Kid	Iron Bow Steel Bow Shining Bow Shining Bow+ Violdrake Bow	Ardent Sacrifice	—	—	Pass 1 Pass 2 Pass 3	Spur Spd 1 Spur Spd/Res 1 Spur Spd/Res 2
Osian: Scolded Soldier	Iron Axe Steel Axe Silver Axe Vouge	—	Daylight Noontime	Warding Stance 1 Mirror Stance 1 Mirror Stance 2 Mirror Stance 3	Wrath 1 Wrath 2 Wrath 3	Even Atk Wave 1 Even Atk Wave 2 Even Atk Wave 3