There are two portal entrances that unlock on alternating days. Both are open on Sunday. Unlocks at Team Level 14.
Library
Drops XP items. Unlocks Monday, Wednesday, Friday, and Sunday.
Stage I
Stage II
Stage III
NB: More drops than Stage II
Stage IV
- Wisdom Cake (x 12-20)
Temple
Drops items that can be sold at the Merchant, Bazaar or Area 51 for gold. Unlocks Tuesday, Thursday, Saturday, and Sunday.
Stage I
Stage II
Stage III
NB: more drops than Second Stage
Stage IV
- 7-12x Mithril Piece
- 5 x Gold Bar
- 1 x Rose Gold Statue