It depend which monster you are.
As Goliath you won’t have a too difficult game, as long as they don’t spot you before you evolve, but Maggie is pretty much a free Evolve unless you are cut off. Have a single point in flame breath to trick the shield drone to switch target every time you use an ability. The short cooldown will ensure you always have flame breath ready when you get Rock Throw/Leap smash ready. Don’t use basic melee attacks. Keep your finger off M1 if possible. Against Caira you can forget melee attacks, because Caira outheal those and if you attack your target the shield beam will switch to them.
Against pillar humpers just use Rock Throw or leap attack to send them flying. If you manage to follow up with a Leap Smash as they land, they will be unable to dodge it and the medic will most likely not get time to react, which could lead to a near insta-kill.
Personally I would take Caira and Sunny over Caira and Hank every day.