Internal Strife Within the Black Order

When Thanos arrived at Knowhere aboard his Floating Throne, he found nothing but a lifeless wasteland. Boom! Thanos casually struck a building, and the already crumbling structure came crashing down, sending dust billowing into the sky. He had long heard of The Collector's reputation. So although he had known for a long time that Odin had entrusted the Reality Stone to The Collector, he had never gone there.