Invisible Ties
Game Fire Emblem: Awakening Objective Rout the enemy Units Allowed 2 Units Gained Chrom and The Avatar Boss Validar

“In a vision that feels neither real nor dreamed, the Avatar and Chrom defeat the mage Validar. But in the vision's last moments, events take an unexpected turn.”
—Opening Narration

Invisible Ties (Fate or Bonds in the Japanese version) is the Premonition of Fire Emblem: Awakening.

The player fights Validar with Chrom and the Avatar. The game explains basic controls step by step. After defeating Validar, the player experiences a cutscene in which Validar falls, but then the Avatar kills Chrom. Despite this, Chrom tells the Avatar to not blame him/herself.