I am searching for the name of a song or soundtrack which plays in the background in episode 11 of Nanatsu no Taizai. It starts at 17:48. I have already searched through the whole Nanatsu no Taizai OST, but I couldn't find it, so if someone knows the name please let me know.
Did you ever find it? If not, here: https://www.youtube.com/watch?v=vOHKyGrD_v8.
The name of the song is Kurai & Setsunai-4 Taizai (9雷&セ2内-4:罪), track 11 of The Seven Deadly Sins ORIGINAL SOUNDTRACK 2.