when you see trix shooting towards you and getting invicible try to shoot him(and make him vicible again after 500dmg)spray/shoot/splash dmg near the place he just turned his stealth on
As Yagorath, you are a prime target for Ruckus to use his Hexa Fire on you, if you suspect he is going to use it soon try to preserve Harden and use it when he activates it to massively reduce the high Damage it deals.