Missions

Missions are a system that track in-game achievements and unlock rewards. Most missions are added to promote an event or new champion/skin release. They were first released with patch V7.12 with the new legendary skins and.

Completing a mission usually awards a token of some sort, which can be converted into rewards of a player's choice, or Blue Essence. Not all missions are available, with some missions being locked behind a purchasable pass.

Philosophy
Mission requirements are designed not to encourage behavior detrimental to gameplay, such as kill stealing.

Vs. - Dawnbringer Vs. Nightbringer
Patch V7.12 started the Vs. event, opposing and. The event ended on 6/29/17 (23:59 PT). Each missions had its own reward and granted either Chaos Tokens or Order Tokens, which could be used to craft exclusive loot.
 * Order loot:
 * 40 Order Tokens
 * ProfileIcon1663.png 80 Order Tokens
 * 100 Order Tokens
 * 100 Order Tokens
 * 140 Order Tokens
 * Open the orb to get a guaranteed Legacy skin shard and a 50% chance to get a bonus drop. If your orb triggers a bonus drop, you'll have a chance to get either a random amount of Order Tokens, two, or the Hextech-exclusive skin shard.
 * ProfileIcon1667.png 280 Order Tokens
 * Chaos loot:
 * 40 Chaos Tokens
 * ProfileIcon1664.png 80 Chaos Tokens
 * 100 Chaos Tokens
 * 100 Chaos Tokens
 * 140 Chaos Tokens
 * Open the orb to get a guaranteed Legacy skin shard and a 50% chance to get a bonus drop. If your orb triggers a bonus drop, you'll have a chance to get either a random amount of Chaos Tokens, two, or the Hextech-exclusive skin shard.
 * ProfileIcon1668.png 280 Chaos Tokens
 * Missions:
 * In the beginning...
 * Win any matchmade game.
 * ProfileIcon1665.png Dawnbringer Icon and ProfileIcon1666.png Nightbringer Icon.
 * ProfileIcon1665.png Awakened
 * Win 1 matchmade game with a Order icon equipped.
 * 10 Order Tokens
 * Completing this mission disables One Blade, One Purpose.
 * ProfileIcon1666.png One Blade, One Purpose
 * Win 1 matchmade game with a Chaos icon equipped.
 * 10 Chaos Tokens
 * Completing this mission disables Awakened.
 * ProfileIcon1666.png Merciless Shadow
 * Get 10 assists with a Chaos icon equipped.
 * 10 Chaos Tokens
 * ProfileIcon1666.png Chaotic Alliance
 * Kill 400 minions in 1 game as a team while a Chaos icon is equipped.
 * 10 Chaos Tokens
 * ProfileIcon1666.png Berserker
 * Get 15 kills and/or assists with a Chaos icon is equipped.
 * 20 Chaos Tokens
 * ProfileIcon1666.png Havoc on the Rift
 * Win 1 Summoner's Rift game with a Chaos icon equipped.
 * 20 Chaos Tokens
 * ProfileIcon1666.png A Grand Imbalance
 * Collect with a Chaos icon equipped.
 * 10 Chaos Tokens
 * ProfileIcon1666.png A Chaos Unleashed
 * Win 1 ARAM game with a Chaos icon equipped.
 * 10 Chaos Tokens
 * ProfileIcon1666.png The Darkness Rises
 * Get 5 kills with a Chaos icon equipped.
 * 10 Chaos Tokens
 * A Force of Wills
 * Complete 7 missions.
 * Victor's Emblem

Omega Squad
With V7.15 2017 Omega Squad skin, arrived sets of missions. Each mission is related to one the Omega Squad member and rewards the player with a Squad Token. With 5 Squad Tokens, you can forge the Omega Squad Veteran icon, which unlocks it permanently.
 * - The Rookie
 * "Suit up, rook."
 * Win one matchmade game.
 * Squad Token.
 * - The "Medic"
 * "Kill! Kill! KIll them all!"
 * Get 10 kills in PVP matchmade games.
 * Get 25 assists in PVP matchmade games.
 * Squad Token.
 * - The Saboteur
 * "Let's liberate some gold from their supplies."
 * Collect in PVP matchmade games.
 * Squad Token.
 * - The Artillery
 * "Time to call in the thunder."
 * Kill 1,000 minions as a team. Games against bots work.
 * Kill 300 minions individually. Games against bots work.
 * Squad Token.
 * - The Commander
 * "Time to call in the thunder."
 * Win 3 PVP matchmade games.
 * Squad Token.
 * ProfileIcon2089.png Omega Squad Spotted
 * "Target: in the brush, one five zero."
 * Play one matchmade game where someone on either team is using Omega Squad Skin.
 * Omega Squad Recruit Icon.