Shango is an unseen Orisha whose shrine offers every participant a powerful trainable Lightning spell and restores him to divine ascension.
The third shrine remains a bare pile without an apparition, which the system jokingly attributes to Shango being shy. No direct speech or manifestation occurs.
Repairing the shrine would teach everyone level-15 Lightning and allow training that spell to level 20, with an explicit hint that it will matter later. Shango would also ascend.
The party rejects this straightforward offensive reward in favor of Yemaya's hidden connection to Katia and Donut's survival.
Not manifested; represented by a shattered shrine surrounded by dormant lightning.
Shango provides the Thorn Room's pure offensive spell option and a conspicuous warning about future utility.