The Fate of Trunks work so that you get through the daily quests Chests, Trunks, and within those you have the chance to win gold.
The NPC to get the daily quest is Loncheria, but here in BR he is our Rock, even if the quest "Gift of the Heart"
4 quests are the same but with different amounts of Trunks. You can take all.
To receive the Trunk, you must pay an amount of gold on the number of each quest.
Change a Chest
Change of Fate 10 Chests
Change of Fate 30 Chests
Change of Fate 60 Chests
Giving at the end of 101 trunks for 1,010,000 gold.