Perseverance has its own reward

Eliminate 10 opponents with Frag Grenades in Quick Match/Ranked Multiplayer.

Breach and rappel through a window in Quick Match/Ranked Multiplayer.

Spawn 10 Sidekicks in Multiplayer

Complete the game in light mode

Defeat 4 enemies with the same explosion (all explosive items and weapons apply)

Pull 20 enemies over when hanging from a ledge

Defeat 50 enemies with headshots

Find a Journal Entry

Stealth take-down 5 enemies

Complete the Uncharted Multiplayer Introduction

Find a Treasure

Kill 100 Human Enemies.