Best map for portals?

[Motivating]

I have no plat to buy access to the dungeons for the event and i have done tonnes of runs of all the maps i can do. I have only got one portal to appear? Is there a certain map or boss you need to kill to get the portals? Please help

[Sky_is_epicgearz]

there is no best map. portals appear randomly
personally i like to do arcanum castle and mardroms tower because i also need amra zu

[Motivating]

Okay thanks

[Kayoex]

SS imo

[Aserockon]

Ppl get a lot of portals in windmoore harbour too