Larian Studios Forums Divinity: Original Sin 2 Divinity - Original Sin 2 - General Sneaking - pointless?

That would be one way to do it. Another could be to decrease the AP cost of Sneak by 1 point at ranks 2 and 4, down to a minimum of 2 AP, or decrease the AP cost of Sneak by 1 point at Ranks 3, 4, and 5 down to a minimum of 1 AP.