On September 11th, 2018, the fabled War Treasury appeared! Not only can you acquire Knight Moonbeam and Lightning Empress fragments (which increase in cost after each purchase), but also a variety of other fragments, items, and weapons!
On April 18th, 2019, Blood Rose, Phoenix and Sixth Serenade fragments were introduced, KMB and LE fragments weekly purchases were increased from 5 to 6, price increase was changed(Now up to 18 instead of 20) and Yae Sakura Cask weekly purchases were increased from 3 to 8.
On May 23rd, 2019, Molotov Cherry Fragments were introduced.
Note that only 3 weapons will appear per week, with new weapons appearing with each refresh.
The currency used in the Exchange House are 
, which can be obtained from Memorial Arena and 
, which can be obtained from Superstring Dimension.
| Fragments | |||||||
|---|---|---|---|---|---|---|---|
 ⨯3 |
 ⨯1 |
SS Boost ⨯1 |
 ⨯1 |
 ⨯1 |
 ⨯1 |
 ⨯1 |
 ⨯1 |
 x 225
|
x 8 x 8
|
x 8 x 8
|
x 8 x 8
|
x 8
|
x 8
|
x 9
|
x 14
|
| 70 per month | 4 per week | 2 per week | 6 per week | 10 per week | 20 per week | 15 per week | |
 ⨯1 |
 ⨯1 |
 ⨯1 |
 ⨯1 |
 ⨯1 |
 ⨯1 |
 ⨯1 |
 ⨯1 |
| x 9
|
x 14
|
x 14
|
x 12/14
|
x 12/14
|
x 14
|
x 14
|
x 9
|
| 25 per week | 15 per week | 10 per week | 15 per week | 25 per week | |||
  ⨯1 |
 ⨯1 | ||||||
| x 5
|
x 2
| ||||||
| 3 per day | 10 per day | ||||||
| Valkyries | |||||||
 ⨯1 |
 ⨯1 |
 ⨯1 |
 ⨯1 |
 ⨯1 |
 ⨯1 |
 ⨯1 |
 ⨯1 |
| x 640 x 640
|
x 640
|
x 640 x 640
|
x 640
|
x 1120
|
x 1120
|
x 900
|
x 1120
|
 ⨯1 |
 ⨯1 |
 ⨯1 |
 ⨯1 |
 ⨯1 | |||
| x 1120
|
x 1120
|
x 900
|
x 1120
|
x 900
| |||
