The Banner Warrior is the superior build for warriors in fractals.
Besides providing the group with strong unique damage buffs (Banner of Strength, Banner of Discipline and Empower Allies) and having excellent defiance bar damage with the Mace/Mace set, the build also has a relatively high burst damage potential on both small and large hitboxes for a support role.
If enemy boons are present, the Spellbreaker specialization can be taken to reliably remove them with Breaching Strike and Dispelling Force. Another advantage of this variation is the strong on-demand reflect with Winds of Disenchantment.
Furthermore, the build is able to use damage modifying sigils like
Equipment (150 AR and Spotter)
Note: Without Spotter from a Druid you have to run more Assassin's pieces to reach 100% critical chance. It is highly recommended to aim higher than the minimum required Agony Resistance (e.g.