i need 1.9 or 1.20

nope

there is 1.9 but I heard u could get banned for using it

i believe there is 1.21?

the eagler 1.9 is just a modified eagler 1.8 :/

https://cobblesteve01.github.io/Eaglercraft-Extras/clients/1.9/eag1_9_4.html 

here dupe this 1.9

https://cobblesteve01.github.io/Eaglercraft-Extras/clients/1.11/eag1_11_2.html

this 1.11

https://cobblesteve01.github.io/Eaglercraft-Extras/clients/1.14/index.html 

1.14

theres 1.20 eagler but you cant do arch or any other server on it :(

eaglymc.com