good news everyone!!
i quote the text from their forum right here :
As of 1/15 6:00PM PST, the following changes have taken place:
1. Soul Capacity Expansion Cost
•Expanding your Soul capacity now has a maximum cost of 30 Soulstones per expansion.
•Those who have already increased their Soul capacity at a cost of more than 30 Soulstones per expansion will be refunded the difference during the 1/20 maintenance.
2. Stamina Refill Soulstone Cost
•The current cost of refilling Stamina using Soulstones will be changed from 19 Soulstones to 10 Soulstones.
3. Premium Summons Tweak
•Increased the probability of getting a 4★ Soul from Premium Summons.
4. Soul's Gift Schedule Change
•Global: 3:00AM, 7:00AM, 3:00PM, 9:00PM
•SEA: 8:00, 14:00, 20:00, 23:00
5. Sunday Dungeon Added
•Water: 3:00 ~ 5:00AM PST
•Wind: 9:00 ~ 11:00AM PST
•Earth: 4:00 ~ 6:00PM PST
•Fire: 8:00 ~ 10:00PM PST
Cloudst, you still have plenty of soulstones to try the 10 piece pack again!!