Most of us around here got the achievement a long time ago due to few specific pieces of content that required a massive fate grind.
ATMA and Novous steps of 2.0 relic.
Anima step of the 3.0 relic
Yokai watch event of 2016 and 2017.
All of these required the completion of fates to obtain a rare drop (usually around 2-5%). A thousand fates gets blown through very fast when doing that type of quest.
Do not worry, SE will do it to us again for something in the future. You'll get the title then.