Bard's presence causes magical chimes to appear, which grant Bard experience, mana, and a burst of speed. Additionally, lesser spirits follow Bard and aid in his attacks - collecting chimes causes these meeps to gain power over the course of the game.
Q - 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.
W - Caretaker's Shrine
Reveals a healing shrine which powers up over a short time, disappearing after healing the first ally that touches it.
E - 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.
R - Tempered Fate
Bard sends spirit energy arcing to a location, putting all champions, minions, monsters, and turrets hit into stasis for a brief time.