Just for background information. My character is a mandalorian Shien Expert with plans to go Armored Jedi soon. I finally got 2 crystals to make make 2 light sabers. Yes I'm duel wielding. But the 2 crystals I have are both out of the Endless Vigil. The game session ended right after I made my roles to create on 1 I had two triumphs and 4 advantages on the second I had 1 triumph and 3 advantages left. I want to make 1 saber all defensive and 1 all offensive do not know if I will ever get a dragon pearl or not so any suggestion on what to do with the Triumphs and advantages and what attachments I should get and mod out?

You can get a lordian stone with its defensive mod, a curved hilt with its defensive mod, superior hills for both, dual phase mod to ignore an opponents defense once per encounter. And that's just the stuff out of the FaD core book. Lots of options available.

As for the triumphs see if your GM will give you a bonus, say from the optional Saber construction rules from the GMS screen booklet .... like increasing the number of hard points on the Saber by one per triumph.

Advantage could be spent to decrease the time necessary to build the hilt or reduce the cost, or for three advantage decrease the encumbrance by one.

All these ideas and more are in the GMS screen adventure booklet.

Hope this is helpful.

Eternal Vigil also has lightsaber construction rules if you have/will get that book. As a Shien expert if might have some nice ideas for you too, I play one (who also dual wields actually) and love the book.