User blog comment:Fliu/Chapter 935: Disaster at Udon/@comment-7614831-20190308070627/@comment-173.191.171.28-20190313003115

All 3 forms of Haki are a testament of a person's will. DF or not, haki is not affected by presence of seastone. Although this is non-canonical, Luffy broke Zephyr's seastone enhanced armament with a Haki enhanced DF punch, did he not?