Abilities of Bard
Spell skill priority is an important winning factor for Bard. Understanding the abilities of Bard in League of Legends is another. Below you can find all the relevant information on Bard abilities. In order for item builds you should check the build for Bard.
Passive: Traveler's Call
Meeps: Bard attracts lesser spirits that assist with his basic attacks to deal extra magic damage. When Bard has collected enough Chimes, his meeps will also deal damage in an area and slow enemies hit.
Chimes: Ancient chimes randomly appear for Bard to collect. These grant experience, restore mana, and provide out of combat Move Speed.
Cosmic Binding
Bard fires a missile which will slow the first enemy struck, and continue onward. If it strikes a wall, it will stun the initial target; if it strikes another enemy, it will stun them both.
Bard fires an energy bolt, dealing totaldamage magic damage to the first two enemies hit. The first target hit is Slowed by slowamountpercentage% for slowdurations.
If the bolt hits a second enemy or a wall, any enemies hit are Stunned for stundurations.
Caretaker's Shrine
Reveals a Health shrine which powers up over a short time, disappearing after healing and speeding up the first ally that touches it.
Bard creates a Health shrine that grants calc_movespeed Move Speed decaying over movespeed_duration seconds and restores at least initialheal Health to the first ally to enter. The shrine grows to restore maxheal Health after existing for chargeuptime seconds.
Bard can have up to maxpacks shrines at once. If an enemy champion enters a shrine, it is destroyed.
This ability has ammo_limit charges.
Current Active Shrines: f1 / f2
Magical Journey
Bard opens a portal in nearby terrain. Allies and enemies alike can take a one-way trip through that terrain by moving into the portal.
Bard opens a one-way portal through Terrain for e1 seconds. Any champion can enter the portal by moving onto it while near the entrance.
Tempered Fate
Bard sends spirit energy arcing to a location, putting all champions, minions, monsters, and turrets hit into stasis for a brief time.
Bard hurls magical protective energy to an area, placing all units and structures hit into Stasis for rstasisduration seconds.
FAQ on Bard
What do you max first on Bard?
Most Bard pros max out 
Cosmic Binding first.