Focus: Weekly Revival 21

Focus: Weekly Revival 21
Focus: Weekly Revival 21	Featured units	Rhajat: Black Magician Shiro: Raw Talent Leif: Prince of Leonster
	Start date	2020-12-20
	End date	2020-12-27
	Description	5★ Heroes who debuted between the game's launch and August of 2018 appear as focus Heroes, and the focus lineup changes each week! 5★ focus Heroes have an initial appearance rate of 4%! (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	33	33
Blue	1	46	36	35
Green	1	39	25	25
Colorless	0	30	38	38

Orb color distribution
	Red	Blue	Green	Colorless
Individual	25.61%	27.29%	19.63%	27.48%
All	0.11%	0.15%	0.03%	0.16%
At least one	77.22%	79.67%	66.46%	79.94%
None	22.78%	20.33%	33.54%	20.06%

Average Orbs cost
	Any	Red	Blue	Green	Colorless
Non 3/4★	57 ≈ 14	52 ≈ 11	61 ≈ 13	47 ≈ 10	203 ≈ 43
5★ Focus	77 ≈ 19	74 ≈ 16	79 ≈ 17	62 ≈ 13	–
5★	129 ≈ 32	116 ≈ 25	152 ≈ 32	138 ≈ 29	203 ≈ 43

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.

Hero	Weapon	Assist	Special	Passive A	Passive B	Passive C
Rhajat: Black Magician	Wind Elwind Keen Gronnwolf Keen Gronnwolf+ Obsessive Curse	Rally Defense Rally Atk/Def	—	Distant Def 1 Distant Def 2 Distant Def 3	—	Savage Blow 1 Savage Blow 2 Savage Blow 3
Shiro: Raw Talent	Iron Lance Steel Lance Silver Lance Bright Naginata	Swap	—	Steady Stance 1 Steady Stance 2 Steady Stance 3	—	Def Tactic 1 Def Tactic 2 Def Tactic 3
Leif: Prince of Leonster	Iron Sword Steel Sword Silver Sword Light Brand	—	Rising Light Blazing Light	Armored Blow 1 Steady Blow 1 Steady Blow 2	S Drink	Spur Atk 1 Drive Atk 1 Drive Atk 2