Celestial Token is a Legendary limited time event currency that was used during the Rip Event and the 50B Celebration Event. It could only be obtained and spent while those events were active. This currency is no longer obtainable or usable, as both events have ended.

Obtainment:

Celestial Tokens can be obtained by defeating Celestial Soldiers, which drop 10 Tokens (13 while wearing both the Divine Cloak and Celestial Helmet), or Rip Commanders, which drop 600 Tokens (780 with both accessories equipped). They can also be obtained by rolling the Celestial Gacha for 500 Tokens, or by exchanging Celestial Fish with the Celestial Fisherman. Fish exchange rewards are 10 Tokens for Common, 20 for Uncommon, 50 for Rare, 100 for Legendary, and 200 for Mythical Fish.

Usage:
During the RIP Event, 500 Celestial Tokens can be used to craft the Shell (Celestial) fishing rod, while 250 Celestial Tokens can be spent to receive a random reward from the Celestial Gacha.