In between the inner and outer lanes, above both bridges connecting both sides of the map, are runes1) (signified on the minimap with the icon shown right). These runes grant positive attributes for 160 seconds, depending on their type. There are four different runes, each granting attributes that scale over time (from 10 minutes to 40 minutes).
The runes are randomly chosen and spawn at 10 minutes, then respawn every five minutes after that. To pick up the rune, you must Heavy Melee the crystal.
Each rune grants different buffs:
Different runes affect movement depending on the character: