Using Tresure post you can donate credits  to clan or alliance

Step 1  Next trading post is Tresure post players with rank that allows to use Tresure can donate

Step 2 Choise to donate clan or alliance

Step 3

Step 4

Step 5

Step 6

after donating is done

credits can be used on :

  • lab Tech to research
  • Decorations
  • Pigments
  • New dojo rooms