Tip overview

use the payload cart to help shield yourself from his flame attack. Does not totally shield you but can be used to close in or aid in escape.

When fernando openhis shield go behind him and hook him to cancel his shield.

Grohk recently lost damage on his LMB, he is easy to duel if you have good accuracy. Cauterize helps as well.

Jenos should be higher in weakness list his relativity ability with his atral mark at max can out heal skye's base damage (unless she poison darts you then your screwed), and his void ability destroys her mobility allowing people to hit her.

Tiberius deals 650 damage every .7 seconds, and .49 seconds during combat trance. That's a burst of 1300 every second for 4 seconds. Your best bet is to use someone like Lian to outburst him, or someone who can avoid his burst.