The Desert Perpetual Raid

• Normal Completion and Epic Full Completion: every encounter, on the standard or the Epic version. Both take Add Feats (Phase Race, Cutthroat Combat, Battalions, Token Limit, Challenge Encounter), Add Weekly Challenge and Secret Chests; Normal also offers Find 12 Vex Convergences.
• Normal Last Boss Only and Epic Last Boss Only: the final encounter, with the same feats minus Challenge Encounter. On Normal, tick I have the Last Boss Checkpoint if your account already holds it.
• Flawless Normal Completion and Flawless Epic Completion: a full clear where nobody in the fireteam dies.
• Extras: Add Whirling Ovation Exotic and The Edge of Fate Campaign - Legendary. Number Of Runs sets 1 to 10 clears, and outside the no-death runs Self-play (Sherpa) lets you raid with the team.

A booster usually starts within about 1 hour, and one clear takes about 3 hours.

Each feat has a triumph for clearing every encounter with it active, and each of those raises the starting chance for Whirling Ovation. A no-death clear completes Death-Defiant, or Death-Defiant II on Epic. Find 12 Vex Convergences belongs to the Map and Territory quest, which has you locate convergences and rewards the Envoy's Togs shader. Two raids are featured each week with farmable top-tier loot, and the pick changes at the Tuesday reset; in other weeks The Desert Perpetual drops gear at lower tiers.

• The Edge of Fate on the account and its campaign completed; without the campaign, add The Edge of Fate Campaign - Legendary.
• Service requirement: 160 Power for runs with feats, 300 for Epic.
• Enough open feat slots for the feats you pick; extra slots come from steps of Feature Presentation.

Does the order include Whirling Ovation?

With Add Whirling Ovation Exotic, yes; otherwise it can still drop like any raid reward.

What does Number Of Runs change?

The number of clears in one order, from 1 to 10.