In my case my previous mmorpg was FFXI, so a grind akin to Anemos didn't phase me in the slightest. Pagos on the other hand was a disaster and I did not go back and finish all of Eureka until Shadowbringers. That being said, Anemos did provide me with enough to do in grinding out not only relic weapons but also the relic sets, in addition to the other stuff I was chasing after at the time.

Nowadays there's literally nothing.