Complete Village and Hub quests
Complete optional subquests
Finish Meowcenaries expeditions
Collect from the Argosy
Use the Canteen and complete meal-related rewards
Claim login bonuses and event rewards
Complete limited-time event quests
Receive them from quest reward boxes
Trade for them at the Smithy or Support Desk when available
Check the Cohoot nest for item drops
Buy them from the Market when offered
Obtain them from DLC or bonus content packs