The marker is useless as he is inside Aakman Temple (the grinding zone).

- You need to find a portal in the desert (1 big pillar, 2 not that tall pillars and 1 small pillar).
- Once inside, go through the broken wall where the NPCs are.
- Follow downstairs, some are broken and you can't jump over so you will inevitably fall, bring potions.
- He is half way to the bottom, do not jump through the centre of the hole or you may not be able to climb back up.
- At 300 Amity a chat option is unlocked, you can wave to him a hundred times to unlock the chat (no new knowledge tho).
- Also, mobs are pretty strong, so don't engage and just run.