Here's how to get the best legendary / golden weapons from the Hunter's Lodge in Horizon Zero Dawn:

Step 1: Get all 15 Blazing Sun Marks (gold medals) across the 5 hunting grounds. If you get stuck see this guide: [ Register or Signin to view external links. ] .

Step 2: Deliver the Sun Marks to Aidaba in the Hunter's Lodge of Meridian.

Step 3: She gives you 3 treasure boxes. Open them in the inventory to get the weapons.

This gives you the following 3 weapons:
- Lodge Blast Sling (shoots powerful explosives for high damage)
- Lodge Ropecaster (strongest ropecaster in the game with the most tear attribute)
- Lodge War Bow (elemental bow that shoots corruption, shock and freeze arrows)

Unlike other weapons these cannot be bought from merchants. You also earn 4 trophies for completing all hunting ground trials with blazing sun marks.