The Lion Rampant is an Exotic Gear Piece for Titans in Destiny 2.
It’s a random drop. For me it dropped at the end of a Crucible match (won the match).
Exotic Name: Lion Rampant
Type: Leg Armor
Item Description: All expect that you should rouse yourself, as did the former lions of your blood.
Special Ability #1: Jump Jets — Provides additional aerial maneuverability.
Special Ability #2: Increases this armor’s recovery, allowing you to recovery health faster.
Acquired by: Random drop. I got it after winning a few Crucible Quickplay Matches. It dropped at the end of the round.