There was nothing much to say about what happened afterward. That burst of energy not only blew the Pearl of Greed into three pieces, but also dealt Demogorgon's soul a devastating blow, forcing him into slumber and leaving him to recover using the energy remaining within the crystal.
It was not until Bechard's devouring that Demogorgon was awakened from his slumber.
Getting back to the point, after Solam reached an agreement with Demogorgon, his first thought was to quickly dissolve his alliance with Malcanthet, resurrect Demogorgon, then use Demogorgon's power to complete the sacrifice to the Abyss, redeem himself, and promptly flee this mess in the Abyss.
Unfortunately, Solam's thoughts were completely different from Malcanthet's. Solam wanted to use Malcanthet's attempt to screw him over as leverage to end the alliance, but Malcanthet had also recognized her own shortcomings through this incident. She was exceptionally eager to tie Solam firmly to her chariot and refused to dissolve the alliance no matter what.
Xianna spent a long time talking with Solam. She was extremely humble and even offered all sorts of concessions on Malcanthet's behalf, yet she would not budge on dissolving the alliance. Especially after Xianna saw how extremely unstable Solam's aura was, her resolve only grew firmer!
As mentioned before, Malcanthet did not need a domineering ally, but she did want one who could fight. After facing Yeenoghu, Solam had been gravely wounded and had yet to recover even now. This undoubtedly eased Malcanthet's concerns about Solam's strength. At the same time, his willingness to risk his life against Yeenoghu was exactly the sort of ruthlessness Malcanthet lacked! Allies were supposed to complement each other. That was why Malcanthet needed Solam to join her all the more.
In the end, Solam's mouth was dry from talking, but Xianna