好像是24小时
但是我也不确定，没怎么关心联盟建筑的事情。主要是搞队伍为主。

61
Under which of the following will an alliance Holy Flame not lose its effect? Moving it to another place
62
Up to how many people can team up in Subterra? 2
63
Upgrading which of the following can increase mercenary marching capacity? Legion Field
64
What Alliance Citadel level must you reach to unlock Fortresses? 4
65
What action will not decrease your City Wall troop's power? Monster Rally Attack
66
What are you guaranteed to get for your first diamond wish? 2-Star Hero
67
What bonus will the player who activated the Alliance Carrier get? Marching Order
68
What can one do during the Marching stage of Alliance War? Lanes can be swapped around
69
What can you get for Alliance Construction? Alliance Honor and Build Pts
70
What can you get from Subterra treasure chests? Tons of rune fragments
71
What cannot be obtained through Sky City Blessing? Extra gold
72
What did Merlynn discover that led her to learn new magic? Nature Elves
73
What did Patra find in the Pharaoh's secret chamber? A forbidden spell
74
What effect does evolving Commander Equipment have? Everything is improved
75
What is negative effect is caused by having your Holy Tree core stolen? World Map battle power drops.
76
What is the most stars a hero can receive? 5
77
What level does the priest need to reach to unlock Master Prayer? 14
78
What loss do you incur for occupying a Kingdom War Arena? Garrisoned troop will lose HP
79
What privilege do Alliance Elders not have? Set Alliance Language
80
What resources are used to make transactions in the Turf Black Market? Academy resources
81
What reward can you get for taking part in Beast Soul Tourney? All of these.
82
What time (server time) are Sky City ranking calculations made? 22:00
83
What time (server time) is Arena reward calculation made? 21:00
84
What will you get for defeating an Alliance Mine occupied by an enemy? All resources gathered by the enemy.
85
What's the max member limit for a Lv 1 Alliance? 40
86
What's the minimum quality level for a hero to use prayers? Purple
87
When 5 rune core elements align, how much of a boost can the corresponding attribute get? 100%
88
When hero level goes up, which attribute will not grow? Energy max level
89
When reinforcing an ally, will marching speed be increased? Yes
90
When sweeping Ancient Ruins stages, what item cannot be gotten? Bread
91
When sweeping Crystal Spire, up to how many bonus drops can you choose? 4
92
Where did Bedivere grow up? St. Debiya
93
Where does Rengoku's mask come from? His dead best friend
94
Which Crystal Spire level do you need to get the 7th Commander Equipment? 20
95
Which day's ranking is shown in the Enhance Master Event? Yesterday
96
Which hero attributes are carried into Hero Showdown? Star Level
97
Which of the following Beast Souls is not suitable for Marksman heroes? Phoenix
98
Which of the following actions will not cancel your Peace Shield? Reinforcing allies
99
Which of the following actions will not deduct attack chances? Rally attack on large monsters.
100
Which of the following equipment positions cannot enhance Tank heroes? Boots
101
Which of the following hero soulstones cannot be exchanged for in the Arena Shop? Mira
102
Which of the following heroes is not a marksman? Baggins
103
Which of the following heroes is not a support? Paganini
104
Which of the following is not a privilege of the World Ruler? Setting an alliance union
105
Which of the following is not a title that the World Ruler can give out? Foreign Minister
106
Which of the following is not an Alliance Tech? Robust Physique
107
Which of the following mercenaries can reduce enemy merc armor & magic resistance? Plagueling
108
Which of the following profession of heroes can deal AoE dmg with basic attacks? Cannon
109
Which of the following profession of heroes can resurrect in TD Bonus stages? Tank
110
Which of the following treasures can not be dug up in Abyss Treasure? Stamina
111
Which of the following will give you Shadow Coins? Attacking Monster Forts
112
Which of the following will not give you Kingdom War Medals? Attacking a player's city
113
Which of the following will not give you War Ashes? Attacking a player with no defense troop.
114
Which of the following will not trigger a gift from the alliance Tree of Life? Spending diamonds
115
Who did Aurai receive guidance from? Unicorn
116
Why did nobody adopt Ingrid? Because she was blind
117
Why does Gorgana want to go to war? Discrimination against snake people
118
Will my ally's reinforcements fight before my own defense troop? Yes

1.
Abyss Treasure shovel is automatically replenished in how much time? 6 hrs
2
Are Murphy and Gorgana of the same race of people? Yes
3
As Patra found out, how were clergy members in her society chosen? Bargaining and assassination
4
At the start of War Guardian, how many heroes can you choose for battle? 3
5
At what Academy Kingdom level is high-level tech unlocked? Lv 80
6
At what Academy Kingdom level is mid-level tech unlocked? Lv 40
7
At which layer of Crystal Dungeon does Orange equipment get unlocked? 120
8
Blinding can effectively counter which of an enemy's attack methods? Basic attack
9
Building a Fortress will increase the Build Pts of which building? Citadel
10
Can a player be scouted after he/she puts up a Peace Shield? Yes
11
Can you get a Legendary Hero in Abyss Treasure? Yes
12
Can you get rewards in Alliance Duel? No
13
Can you reuse heroes after winning a battle on the same layer of Crystal Spire? No
14
Do hero Awakened status and skins get carried into Hero Showdown? Yes
15
Do marching times get longer when in the Mystery Land? Yes
16
Does fighting in Crystal Dungeon cost stamina? No
17
Does spending sub-Soul Crystals count towards crystal spending events? No
18
Does the Academy cooldown queue stop completely when the Academy is rebuilding? Yes
19
For which of the following will a player's account not get frozen? Attacking another player's castle
20
Holy Altars are unlocked at Alliance Citadel Lv...? Lv 7
21
How can you get resource tech speed up cards? Buy resources
22
How can you repair a damaged City Wall more quickly? City Relocation
23
How do you raise Commander Equipment star level? Raise gem level
24
How long after a holy flame is destroyed can you re-place it on the map? 48 hours
25
How long does one round of Kingdom War last? 72 hours
26
How long does one union have to occupy the Throne to guarantee victory? 12 hrs
27
How long is the cooldown period after accepting a Divine Blessing? 72 hours
28
How long will an Alliance Carrier stop after taking off? 12 hours
29
How low must a player's City Wall points drop to have a chance to steal a tree core? 70%
30
How many Captain Skills can be activated per lineup? 1
31
How many Low Ancient Souls do you need to evolve a soul component the first time? 4
32
How many days must an Alliance Carrier wait in between take offs? 3 days
33
How many points can you get each time for passing the spawn point in Magic Squares? 80
34
How many points do you start with in Magic Squares? 36
35
How many rounds of battle are there in an Alliance War season? 5 rounds
36
How many rune cores must be enhanced to +6 to evolve an advanced core? 4
37
How many times can you reset challenge chances for Crystal Spire per day? 2
38
How many times can you switch alliances before incurring a 24 hour cooldown period? 8
39
How many total Bosses must you face to complete Subterra? 4
40
How many types of traps can be built in the Magic Defense Tower? 4 kinds
41
How much Dragon Priest exp can you get for one Expert Prayer? 10 pts
42
How often do Kingdom War Arenas product medals? 30 mins
43
How should you treat players from other countries? Treat politely.
44
How was Vortex born? Malachi forged him.
45
If you already have a Magic Pen Gem equipped, which of these can you not inlay? 2 Pen Gem
46
If you already have an AD/AP Gem equipped, which of these can you not inlay? AP Gem
47
In Ancient Ruins, what's the max number of Captain Skills you can unlock in each Chapter? 4
48
In Beast Soul Tourney, how much of a boost do Beast Soul attributes receive? 100%
49
In Elite Crusade, how much initial energy will heroes start with? About 70%
50
In Elite Dungeon Death stages, how should you deploy your heroes? First Mage, then Physical
51
In Hero Brawl, weekly rewards are sent out according to what? Total Brawl Coins for the week
52
In Hero Brawl what's the max number of heroes you can go to battle with? 18
53
In Prayer, up to how many bonus attribute bars can you get? 4 bars
54
In Proving Grounds, you cannot get this: Diamonds
55
In which of the following will hero healing not be nerfed (weakened)? Campaign Stages
56
Is the cost of repairing a destroyed engraving be reduced? Yes
57
Members of Brunhilde's tribe get their strength or weakness from what? Frost Veins
58
Once an holy flame is built, can other alliances build this flame? No
59
Silencing can effectively counter which of an enemy's attack methods? Hero skill
60
Under what condition can you randomly relocate? When your City Wall is on fire

查找方法，楼主的问题主题是圣火，即 holy flame, ctrl+f, 输入 holy flame，容易看到，问题24就是楼主的问题，它的答案是48小时。