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A buff is any status effect given to a champion or a minion that gives them a beneficial boost in their performance. A buff that gives negative effects is called a debuff. Buffs can boost almost any attribute of a character, such as health, mana, damage, and ability power. Positive changes to champions or items in the Patch Notes can also be called buffs, while negative changes can be called nerfs.
Some buffs can stack a predetermined number of times while other buffs may not be stacked. This means that repeated applications of the buff to the same target will not grant him any increased effect but will only cause the buff duration to reset. Most buffs are temporary but some buffs may last indefinitely (such as Tristana's Draw a Bead boosting her attack range). Other buffs are lost upon champion death.
These are buffs that come from the items you can buy from the shop in exchange for gold. Every item will boost one or several statistics by default however there are additional effects on some. These come in the form of passive effects that are persistent as long as the item is not sold. Auras boost not only yourself, but your allies as well. And active effects that boost you and sometimes your team mates significantly for a short period of time. These active effects usually have a cooldown attached to them.
These are champion abilities which increase stats when acquired with levels. These come in the same category as item buffs; Passive, Aura and Active. These abilities usually grow stronger with more ability power, attack damage, and/or levels.
Summoner spell buffs
These are summoner spells which increase stats when used or coupled with the right masteries. For example, Ghost increases your movement speed. Ignite is the inverse case, as the ability power bonus is only in effect when Ignite is on cooldown.
These are temporary buffs acquired by slaying jungle monsters. For example, the Ancient Golem grants the Crest of the Ancient Golem buff. In this case, the monster usually has swirling colored runes around it. Other monsters, specifically Baron Nashor and Vilemaw , grant a powerful buff to the entire killing team.
Relics come in two forms: lesser and greater. Lesser relics provide a small replenishment in health and mana for the champion that picked up the relic. Whereas greater relics provide a personal shield and damage amplification.
- Lesser Relics spawn on specific locations at short, regular intervals, and can be picked up to restore health and mana. Champions from either team can acquire a health relic simply by moving over it. They are available 2 minutes into the game, and after consumption respawn every 30 seconds.
- Greater Relics are a pair of powerful team specific objects that spawn at the center of the map. While the Greater Relics spawn less frequently than Health Relics, they provide powerful offensive bonuses that help assault particularly well-fortified capture points. Acquiring these Greater Relics requires a brief channel time. They are available 3 minutes into the game, and after consumption take 3 minutes to respawn. Capturing a Greater Relic takes 10 seconds.
List of buffs
|Crest of the Ancient Golem||Increases Mana regeneration per 5 by 25, and regenerates 1% of their max mana a second. Additionally, champions also receive 10% cooldown reduction.|
|Blessing of the Lizard Elder||All basic attacks will slow the target by/ / % ( / / % for ranged attacks) and deal 8 + (2 × level) true damage.|
|Exalted with Baron Nashor||
All Champions on the team who kills Baron Nashor will receive this buff, which gives 40 attack damage/ability power, increase health regeneration by 3% of their max health, and increase mana regeneration by 1% of their max mana.
|Crest of Crushing Wrath||Bonus health and mana regeneration, increased attack speed and bonus cooldown reduction.|
|Speed Shrine||20% Movement Speed (decays over time), instantly restore health, mana, energy and fury.|
|No Altars||Bonus mana regeneration|
|One Altar||Bonus mana regeneration and bonus gold per kill|
|Two Altars||Bonus mana regeneration, bonus gold per kill and 10% increased attack damage and ability power|
|Crystal Scar's Aura||Mana or energy regeneration, experience over time.|
|Storm Shield||Increases the size of the champion, and gives the wearer 212.5 +(12.5 x level) shield, which recharges if they have not taken any damage for 10 seconds. Additionally, this shield deals 90 +(10 x level) magic damage every 4 seconds to targets they hit with basic attacks.|
|Health Relic||Gives instant health and mana. Also grants Renekton, Shyvana and Tryndamere 20, 6, and 10 fury respectively.|
|Mark of the Conqueror||Increases damage dealt by 10%|
|Ghost||Ignores unit collision and increases movement speed by 27% for 10 seconds.||Summoner's Wrath increases the movement speed to 35%.|
|Revive||Revives your champion, and increases movement speed by 125%, which decays over 12 seconds.||Summoner's Insight also increases your champion's maximum health by 220-560 (200 + 20*lvl) for 2 minutes upon revival.|
|Surge(Removed)||Increases ability power depending on champion level, and attack speed by 35%||Summoner's Wrath Increase speed bonus to 40% and increases ability power gained by 10%|
|Cleanse||Removes all crowd control effects and lowers the duration of incoming ones by 65% for 3 seconds.||Summoner's Resolve Increases duration to 4 seconds.|
|Ignite||Deals 50 true damage +(20 x level) damage over time, and inflicts 50% reduced healing on the target champion.||Summoner's Wrath Increases ability power and attack damage by 5 while on cooldown|
|Promotes the nearest super minion/cannon minion to an anti-turret cannon, healing it, giving it increases stats, and granting the caster gold for its kills.||Summoner's Insight Increases defensive stats by 15%|
|Garrison (Dominion only)||Allied turrets around the caster are given increased regeneration and attack speed for 8 seconds. Enemy turrets are given 80% reduced damage for 8 seconds.||Summoner's Resolve Allied garrisoned turrets deal 50% splash damage.|