The follwoing is an excerpt from the Official Destiny Digital Guide:

Inside the lower level’s corridor, high-level Crucible gear becomes available as you increase your rank within the Crucible. Farther back, the three class Vanguards wait for Guardians to check in.Crucible Handler

Destiny Tower Plaza Hall of Guardians

Crucible Handler

Accepted Currency: Crucible Marks

Reputation: The Crucible

A veteran of the Crucible, Lord Shaxx both arms and oversees those who seek to forge themselves within it.

Goods

Crucible Armor: Legendary armor in exchange for Crucible Marks. Raise your Crucible rank to purchase better gear.

Crucible Invitation: Invitations to special Crucible events are offered here.

Crucible Quartermaster

Accepted Currency: Crucible Marks

Reputation: The Crucible

The Crucible is a demanding place, and Arcite 99-40 assists Shaxx in arming Guardians to withstand it.

Goods

Crucible Weapons: Legendary weapons in exchange for Crucible Marks. Raise your Crucible rank to purchase better weapons.

Vehicles: Rare Sparrows with increased durability and speed, once you reach a Crucible rank of 3.

Material Exchange: Exchange Spinmetal, Helium Filaments, Spirit Bloom, or Relic Iron for valuable Crucible Marks and Reputation.

Hunter Vanguard

Destiny Tower Plaza Hall of Guardians

Accepted Currency: Glimmer, Vanguard Marks

Reputation: Vanguard

Saddled with Tower duty, Cayde-6 dutifully advises and arms Hunters who seek him out.

Goods

Hunter Armor: Exchange Glimmer for lower-level armor geared toward the Hunter class.

Vanguard Armor: Raise your Vanguard rank for Legendary armor. Requires Vanguard Marks to purchase.

Emblems: Purchase an Emblem specific to the Hunter class.

Titan Vanguard

Accepted Currency: Glimmer, Vanguard Marks

Reputation: Vanguard

A veteran Titan who coordinates the City’s defenses, Zavala helps to outfit and mentor other Titans.

Goods

Titan Armor: Exchange Glimmer for lower-level armor geared toward the Titan class.

Vanguard Armor: Raise your Vanguard rank for Legendary armor. Requires Vanguard Marks to purchase.

Emblems: Purchase an Emblem specific to the Titan class.

Warlock Vanguard

Accepted Currency: Glimmer, Vanguard Marks

Reputation: Vanguard

Respected among all Orders, Ikora Rey tutors new Warlocks with a lifetime of hard-earned knowledge.

Goods

Warlock Armor: Exchange Glimmer for lower-level armor geared toward the Warlock class.

Vanguard Armor: Raise your Vanguard rank for Legendary armor. Requires Vanguard Marks to purchase.

Emblems: Purchase an Emblem specific to the Warlock Class.

Read more Tower strategies from the official guide.

Destiny GuideMade for the ultimate Destiny fan, the Destiny Limited Edition Strategy Guide is a beautiful 400-page guide that comes with two exclusive lithographs, a gorgeous premium double-sided dust jacket (featuring a unique cover design on the exterior and additional artwork direct from Bungie on the interior), as well as one of Three Deluxe, Collectible Covers based on the Hunter, Warlock, or Titan. This Limited Edition book is a must-have collectible for Destiny fans.

The Destiny guide is also available as a Signature Series Guide and as a Digital Guide.