The Holy Grail War between me and my sand sculpture group friends

This is a seemingly ordinary chat group, but every time you want to recruit new group members to join, you always have to fight a holy grail war!
Magic Meili: "The Holy Grail War group beats the dog group leader, come to Q1"
Joan of Arc: "1"
Enkidu: "1"
Saiki Kusuo: "1"
Ainz Ooal Gong: "1"
Clark Kent: "1"
Saitama: "1"
...
[The group owner withdrew a message from a group member] xN
Mu Yi: "It's so despicable, what do you guys want to do to me!"
All Might: "Don't worry because I'm coming!"
[The story of the real running group is adapted, the original group has experienced the Holy Grail eight times when writing the book]