You'll be getting a handful when it comes to henrir :P
Henrir is divided into 2 parts: normal and hell. In normal, we can use pots and resu stones anytime plus we are also given a chance go to rest stop; while hell is the typical henrir much like July of last year.
More info with regards to Henrir Space kindly refer to the following links below:
Henrir's Spacetime - ElWiki
->Sincerely made by tangowr of Elsword HQ forums.