Preheat your oven to 425°F and line a large baking sheet with parchment paper, then place a wire cooling rack on top of the parchment.
Pat the chicken wings completely dry with paper towels to ensure the skin gets maximum crispiness during the bake.
In a large mixing bowl, toss the wings with avocado oil, arrowroot powder, sea salt, black pepper, garlic powder, onion powder, and smoked paprika until evenly coated.
Arrange the wings on the wire rack in a single layer, making sure they are not touching so air can circulate around each piece.
Bake for 35 to 40 minutes, flipping the wings halfway through, until the skin is golden brown and very crispy.
While the wings are finishing, whisk together the sugar-free BBQ sauce, sriracha, and raw honey in a small bowl until smooth.
Remove the wings from the oven and immediately toss them in a clean bowl with the prepared sauce until every wing is well-coated.
Serve the wings hot alongside the fresh celery sticks for a cooling crunch.