I want to buy Nana's Graveyard Party, but I only have 3 fragments. How do I get more? I'm new to this game.
You can get it on free chest every 4 hour if you are lucky.
Complete quests & login daily to get free chests gold chests have a great chance of having the skin fragments.
Also keep an eye on the lucky spin, it is also a great resource for getting fragments.