Seal

Seals are the yellow runes. Primary seals grant boosts to a champions defense, these are very useful to tanks. There are no Seals of Scaling Cooldown Reduction, Armor Penetration or Magic Penetration.

The Seals are represented in three forms: a chalice, a shield, and a wing.

List of Seals
The following table describes all of the seals, along with their effects and their rank. For a complete list of all runes, see the list of runes.

Special Runes
There were some runes that were only available for a limited time:

2009 Snowdown Showdown Runes

 * SealElusiveSnowflake.png of the Elusive Snowflake (Tier 2.5, Dodge).
 * SealStoutSnowman.png of the Stout Snowman (Tier 1.5, HP per level).

2010 Winter Games Celebration Runes

 * SealExtreme.png of the Extreme (Tier 2.5, dodge)
 * SealMedalist.png of the Medalist (Tier 1.5, health)