What are your favorite Synergies?

At a loss as to what to call the title of this to draw more in but here it goes.

i've been playing poe for some time and honestly i've just been so overwhelmed by life it itself that i've yet to grasp the full array of what it has to offer. so i was hoping to get this thread going.

What passives on the tree and/or stats on gear synergize well that most don't think about?

Low cost massive evasion synergy between Raider Onslaught nodes and Three-Step Assault is my favorite right now. Seems like people don't realize that the "100% increased evasion during Onslaught" is a global modifier.

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Low cost massive evasion synergy between Raider Onslaught nodes and Three-Step Assault is my favorite right now. Seems like people don't realize that the "100% increased evasion during Onslaught" is a global modifier.

honestly can say i've overlooked those boots as a whole.

Two other items id like to start to either use or look to utilize at some point are The Brine Crown and Doryani's Prototype.