"Interesting lore" refers to captivating or fascinating stories, facts, or histories about a specific topic or within a particular fictional world. Full definition
The world of Dark Souls is filled with interesting lore and metaphors. (shacknews.com)
If you ignore them completely, they might disappear, which means you miss out on interesting lore and special items. (pcgamer.com)
However the same criticism could be made of the original Halo, which after its initial release had a huge universe full of interesting lore built around it. (gameplanet.com.au)