How can I obtain the Trinimac Style?
You can obtain the Trinimac Motif chapters by completing daily repeatable quests for Guruzug in Morkul Stronghold in Wrothgar.
Where can I find the Daily repeatable quest givers in the Orsinium DLC (Zone: Wrothgar)?
Take a look at my
Orsinium DLC Daily Repeatable Quest Guide
Is it part of the ESO Base game or do I need a DLC or ESO plus subscription?
To be able to obtain the Trinimac Style you need to own the Orsinium DLC or have an active ESO plus subscription.
What do I need to craft the Trinimac Style?
To craft the Trinimac Style you need the style material Auric Tusk which can drop from delve bosses in Wrothgar.
It can also be found in Undaunted Exploration Supplies.
After completing a random group dungeon you will receive Undaunted Exploration Supplies via in-game mail.
Can I see how the Trinimac Style looks like?
Sure you can! I have created a youtube video for this topic:
Saturday, the 5th of November, 2016
Next style guide:
ESO Malacath Motif - Armor & Weapon Showcase of the Malacath Style in The Elder Scrolls Online