Infinite Stones (Craft Items):
Space Stone
Drop from all Monsters
Reality Stone
Drop from all Monsters
Power Stone
Obtain from Vote Box
Soul Stone
Obtain from Daily Quests
Time Stone
Obtain every 30 mins

Accessories:
Trinket of Vigor
Obtain from Honor Shop
Necklace of Vigor
Obtain from Honor Shop
Ring of Vigor
Obtain from Honor Shop
Amulet of Vigor
Obtain from Honor Shop

Trinket of Maturity
Obtain from Accessories Crafter
(Trinket of Vigor + Infinite Stones)
Necklace of Maturity
Obtain from Accessories Crafter
(Necklace of Vigor + Infinite Stones)
Ring of Maturity
Obtain from Accessories Crafter
(Ring of Vigor + Infinite Stones)
Amulet of Maturity
Obtain from Accessories Crafter
(Amulet of Vigor + Infinite Stones)