DLC SPOILER!!!

I was summoned to fight Leda and allies. I died then host died right after. When i got back in my world i lost all runes i had on me. On the map it shows Leda's arena but i can't reach it because i haven't progressed through dlc yet.

I tried to contact customer support, but theres no button to leave article on their website??? huhhh??? plz fromsoftware, if you readin this look into it