An astounding accomplishment no doubt, but Nims is clearly very arrogant and self-centered. In addition, he didn’t reach the true summit of Manaslu, and has likely lied about other aspects of his climbs (for example, claiming to have climbed Kangchenjunga without supplemental oxygen)
I haven’t read about him not reaching the true summit of Manaslu. I just found an article on ExplorersWeb but it doesn’t say he didn’t reach it, just that photos hadn’t been released showing it. Is this now confirmed?