The collision itself will generate heat. And a super continent with less water will also absorb more heat energy without having water near its center.
Mammals’ Time on Earth Is Half Over, Scientists Predict https://www.nytimes.com/2023/09/25/science/future-earth-warming-mammal-extinction.html?unlocked_article_code=i-Vz9jIKNFOAz9W461kSfuXdwSaNLqY1OA6-RZUjsXXCFqdC3ZYi5fzATecJES9S5U55iemPY0VVELjOxBte3G2-M5XW3LZ5x0wuvCGDe85590sumzR9EYMPibkT_EUEnWQ65UT0fgYejXoFiqiwwLPaO5VtNWlz187tW6MRjycS3Q4iSAbvCHj4Ga9QI6WR-xod26K-0yKDaHB_iqod3s9o3MBh722dNZmHIUBcVwG_iJ-ocfLFLQFJrSs2kS0JihLKWpETwiCd9EcgcbwCh58HVCY1sN0wg-wX1ThT0TbY5CZCdDXsKwQYsG-F6efLTTF0aSaRxIudb1g9WoWdhmRF4NBChEigjxDOJO2NM2Y2&smid=nytcore-android-share
The best part about this is that the section near the tip is clearly more worn out than the rest.