Gloomhaven

When you Create a Mercenary, you will select a Personal Quest from two different options.

These options range in difficulty and upon completion your Mercenary will retire and you will (Usually) unlock a new one.

These are some of the easier Personal Quests IMO:

GREED IS GOOD - Have 200 Gold in your possession. I personally just hoarded all my Gold and never bought items, items are important in Gloomhaven, but with a 4 Mercenary Party one Merc not having items shouldn't be too bad.

POUNDS OF FLESH - Kill 15 Vermlings. This is extremely easy at the start of the Jaws Campaign.

SEEKER OF XORN - Complete 3 Crypt Scenarios. You can complete this pretty early in the base Gloomhaven Campaign however this is a multi part PQ so you'll have to follow the Quest Line to a Conclusion.

ZEALOT OF THE BLOOD GOD - Become Exhausted 12 times. You can force this by throwing scenarios on your Mercenary by either running out of Cards or Taking too much damage.

Hopefully this helps! Good luck gaming!