C'est toujours mieux que de l'eau

The NPC Mengming sells 1 Immortal's Delight consummable a day, and is located in the Central Starskiff Haven, by the vending machines. You need to consume it for three daily server resets in a row.

It appears to be a play on the well-known saying "Blood is thicker than water," which is commonly used to emphasize the importance of family ties over other relationships or loyalties. The phrase could be suggesting that the bonds formed over tea—perhaps symbolizing friendship, community, or shared experiences—are as strong or even stronger than those of family ("water").