Andros will typically be using a load out with the card Abyss Walker which basically heals andro whenever he uses nether step this means that Cauterize is good against andro. If you play against a team with andro and a healer caut is a good pick
Do not underestimate the effectiveness of getting really close to them and flying straight up, flickshotting Blastflower down onto their heads. Try to use this against Flankers with exhausted mobility and other Damage champions.
Any sort of Rush ability like Nando's charge, Zhin's Whirl, Andro's Nether Step, Buck's Leap and so on can counter any small knockback like Ash's or Cassie's. But if it's torvald's ult, You probably need resilience 3