After glancing at your roster, Bastila seems like your best source of unique buffs.
Second this. Bastila's protection up from the lead counts, and now that they've fixed the bug her Battle Meditation also counts.
Any buff that can't be copied by GMY or ATF count as unique buffs. Any locked buff will also count (Bounty Hunter's resolve, Grand Master's Training, Held By Hatred, etc.)
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You can apply each of these multiple times.
Second this. Bastila's protection up from the lead counts, and now that they've fixed the bug her Battle Meditation also counts.
Any buff that can't be copied by GMY or ATF count as unique buffs. Any locked buff will also count (Bounty Hunter's resolve, Grand Master's Training, Held By Hatred, etc.)