Slide puts on the heavy armor and topples over, but after being helped back puts together the revamped Ten Ton Hammer guide to Guardians. Check out the updated Combat Ability list reflecting KoS.

The kind of role you play as Guardian, especially in groups, is an extremely active one. Guardians, with their high damage mitigation (which is a rough measure of how much damage gets through your armor to lower your health), high defense, decent avoidance, and taunt-heavy abilities seem born to be tanks. Tank is a fun anachronism of the MMORPG world, but its entirely applicable. You want the damage to be focused on you to allow your groupmates to do their job.

Make sure to glance at the TenTonHammer Updated Guide to Guardians