>>44138524Counter doesn't imply being able to OHKO, Zacian doesn't have the strongest CC in the game and regardless it can still guarantee an OHKO after a bit of chip damage, which Chansey will almost certainly have taken.
252 Atk Choice Band Urshifu Close Combat vs. 248 HP / 252+ Def Eviolite Chansey: 780-918 (110.9 - 130.5%)
+1 252 Atk Zacian-Crowned Close Combat vs. 248 HP / 252+ Def Eviolite Chansey: 634-748 (90.1 - 106.4%)
