The goal of this guide is to help players to maximize the welfare Servant of Fate/Accel Zero Order, Irisviel, in a most efficient manner. In order to do that, the player will need to:
Unlock Irisviel
Obtain 4 (Ascension Item)
Obtain 4 more copies of Irisviel (Maximizing her NP)
Unlock Irisviel
In order to obtain Irisviel, you need to finish the Main Quest ACT-18. The road to ACT-18 is as follows.
NOTE: To proceed to the next main quest, naturally the previous main quest has to be cleared in addition of other requirements.
Clear Mission 55 - Clear 5 different types of Rank C Free Quests
ACT-9
Clear Mission 36 - Defeat 20 Golems
ACT-10
Clear Mission 29 - Defeat 30 Automata
ACT-11
Clear Mission 96 - Clear 30 Missions
ACT-12
Clear Mission 23 - Defeat 70 Winged Bladed Insect
ACT-13
Clear Mission 39 - Defeat 30 Homunculus
ACT-14
Clear Mission 20 - Defeat 100 Hassans
ACT-15
Clear Mission 97 - Clear 50 Missions
ACT-16
Clear Mission 51 - Clear 10 Rank B Free Quests
ACT-17
Clear Mission 60 - Clear All Rank B Free Quests
ACT-18
Clear Mission 40 - Defeat 100 Homunculus
Below is the guide for the best and most efficient way to fulfill the requirements.
Target
Notes
The earliest Free Quest to obtain this is the free quest at Wharf section. Winged Bladed Insects will drop these items.
Spellbook-type enemies
The earliest Free Quest to farm this is the Rank C Free Quest at Fuyuki Bridge, where Spellbooks can be found.
Sea Demon-type enemies
The earliest Free Quest to farm this is in Rank D Free Quest at New Urban, where you will find Little Demons
Golem-type enemies
Similar to Spellbook-type enemies
Automata-type enemies
The earliest Free Quesrt to farm this is in Rank D Free Quest at Fuyuki Church. However, it is more recommended to get 6 to unlock the Rank C Free Quest which will contain more Automatas per battle.
Winged Bladed Insects enemies
If you take this quest, you must be trying to unlock ACT-12. By this point, the Old Samurai Residences would have been unlocked. Use it to fight more Winged Bladed Insects.
Homunculus-type enemies
The earliest Free Quest to farm this is at the Free Quests at Einzbern Castle, which should be unlocked once you cleared ACT-12.
Hassan-type enemies
The best part to farm this is at the Free Quests at Residential District, available from the start
Obtaining Crystal Balls
To obtain the Crystal Balls (), you need to finish the EX Rank Free Quests, which are unlocked by clearing the Main Quest ACT-18. Only a few EX Rank Free Quests gives you these Crystal Balls, which are:
Residential District
Wharf
Fuyuki Church
Homurahara Academy
Obtain Irisviel Copies
To obtain the Irisviel copies, you need to finish the Bonus Quests.
To unlock the Bonus Quests, you need to finish Mission 11, which is done by clearing Main Quest ACT-18. In addition of this, you need at least 18 of the corresponding Event Item to unlock the first arrow of these Bonus Quests. The second arrow is unlocked when you get the 19th of the Event Item, and the third arrow is unlocked when you get the 20th. Clearing the third arrow grants you the Crystal Ball.
Bonus Mission Location
Event Items To Unlock
Fuyuki Bridge
Wharf
Tohsaka Residence
Einzbern Castle
Obtaining Assassin's Mask
Assassin's Mask () can be obtained with these methods:
Method
Amount
Total
Clear Main Quest ACT-4
1
1
Clear Main Quest ACT-8
2
3
Clear Main Quest ACT-15
2
5
Clear Mission 25 - Defeat 20 Winged Bladed Swarm
1
6
Clear Mission 43 - Defeat 10 Shadow Servants
1
7
Clear Mission 54 - Clear 5 different types of Rank D quests