Talk:Fate/Grand Order Fes. 2018 ～3rd Anniversary～/@comment-36390190-20180730115216/@comment-4802891-20180730115702

It just mean the rate up Servants in those gacha are relevant to a specific Story arc and, starting with Okeanos, are Servants who were added for these chapters (or around the time these chapters were released). It also means none of these Servants are limited.