Open it from the game's menus. Other tabs: Guild Store.
| Item | Amount | Price | Limit |
|---|---|---|---|
 Pet Egg | 1 |  500 Personal Guild Contribution | 20 a week |
 Stray Soul Core | 1 | 1,000 Personal Guild Contribution | No limit |
 Oridecon | 1 | 100 Personal Guild Contribution | 30 a week |
 Elunium | 1 | 100 Personal Guild Contribution | 40 a week |
Daily limits reset at 05:00 server time, weekly ones on Monday, monthly ones on the 1st.