Season of Defiance

Season of Defiance was the 20th season of Destiny 2 and the first season of the Lightfall cycle, which began with the launch of the Lightfall expansion on February 28th, and ended on May 23rd. The story consist of the forces of The Coalition rescuing prisoners captured by the Shadow Legion on Earth following The Witness's assault on The Traveler.

Description
Story: Defy Our End "In the aftermath of the attack on the Traveler, the Vanguard calls upon its closest allies. Guardians must master the righteous powers of the Awoken to stand against the encroaching Shadow Legion and prove themselves as Queensguard."

Activity: Defiant Battlegrounds "In this new three-player matchmade activity, bypass the Shadow Legion’s security by entering their outposts from the Ascendant Plane. Navigate the abyss and rescue your captive allies by completing rituals that open gateways to safety."

Exotics & Gears: The Queen’s Phalanx "Exotic Quest: The Variable" "A distorted message beckons from somewhere within the Vex Network. Delve deep, follow the clues, and battle an unrelenting foe to discover the source of this mysterious signal. Ally with Mithrax to unravel the secrets of the Network and you may lay your hands upon an Exotic Glaive of legend." "Exotic Glaive: Vexcalibur" "Quick and nimble, this slayer of dragons will scatter your enemies. Should they manage to gather their wits and reach the hands that wield Vexcalibur, they will be left wanting—finding nothing but the edge of your blade and the armor of the Void embracing you and your allies." "Exotic Bow: Verglas Curve" "Interlopers carrying the promise of war have stepped into our home. Deliver them a greeting, frigid and swift." "Defiance Incarnate: Armor" "In the shadow’s terrifying grip, it will find defiance. Never bending. Never breaking." "Seasonal Artifact: Ascendant Scepter"

Season Pass "Gear, XP, rewards! Get the Season Pass and instantly unlock the new Exotic Bow. Also get XP boosts that speed up Seasonal ranks and reward track unlocks."