Quick Answer

Halsin becomes a real party option through the Act 2 Shadow Curse route. Resolve the grove first, then handle Art, Thaniel, and the portal defense. Prepare area damage and control before starting it.

StageWhat To DoWatch Out
Act 1Save the grove and keep Halsin aliveGoblin camp choices shape the route
Early Act 2Follow clues at Last Light InnDo not rush the lockout
Portal fightPrepare Wall of Fire, Spirit Guardians, Darkness, or area controlSingle-target damage is not enough
AfterwardContinue Thaniel and Oliver stepsThe curse route needs the full chain

Key Checks

  • Rest and prepare spells before the portal fight.
  • Protecting the objective matters more than chasing every enemy.
  • The Shadow Curse route ties into Act 2 resolution, so do not postpone it forever.