Dark Regions Press has opened submissions for a new anthology consisting of ten novelettes/novellas call "I Am the Abyss". They want adventure stories in the realm of horror and/or dark fantasy set in an underworld created by your character after their death. Yeah, you really need to read the complete guidelines. The deadline is October 1 for stories of 10,000 to 18,000 words. Payment is 5cents a word plus a copy plus royalties. You can find all the details here.
Please note that if your story is selected you will be required to participate in their KickStarter campaign.
Hat tip to Horror Tree!