Crown Types and Level

Crown is kind of like a video game buff, which can help to enhance Seat attributes. Users can collect crowns from Surprise boxes, or purchase one from the in-app marketplace. Crowns have five different types, like Efficiency, Magic, Comfort, Repair, Finance. Seat attributes can be enhanced by inserting corresponding Crown into the socket.
Also,
1. Three to six Crowns can be burned to mint a new higher-level crown. For instance, burning three Lv1 Magic Crowns to get a NEW Lv2 Magic Crown.
2. Low level crown mint has a certain proportion chance of failure, leading to the permanent loss of the original/vintage crowns.
3. AUT is required when minting a new Lv4 Crown
Crown Level
NO. of Crowns needed when minting a higher level crown
Adding attributes points
Adding attributes by %
Mint fees (AHT)
Success rate %
1
/
within app
10%
10 AHT
\
2
3
25%
20 AHT
35%
3
3
50%
40 AHT
55%
4
6
70%
50 AHT + 10 AUT
70%
5
6
100%
60AHT + 20AUT
100%