Beneficial buffs are far less common than enemy debuffs/statuses. The second talent you want is Walk it Off. Enemies will constantly heal you in fights.

You will be hurting your enemies while healing yourself from start to finish. The game has an unreal amount of poison, and geomancer skills are poison based. I ended the game with nearly 4k health on my melee character and bloodletting was still my heal of choice. Cast it on your other character (unfortunately you cant cast it on yourself, which is why we got it on both characters) and no matter how hurt or how much their max hp is, this will heal them to full. This means you wont be healing conventionally, however Bloodletting with leech talent is a FULL HEAL AT EVERY LEVEL, provided the bleed is not resisted. The first talent you take on both characters is Zombie. I continued to use summons for about 10-15 levels just as an excellent distraction from your controller. Summon spider is going to aid you in the early levels before you get zombie going and are slightly weak. The scoundrel point will be used later for self haste/invisibility. Your controller takes bloodletting from witchcraft, poison dart from geomancy, and summon spider from geomancy. Your melee fighter takes invisibility from scoundrel, bloodletting from witchcraft, and bull rush from man at arms. One character is going to be your controller. One character is going to be your melee fighter. Your controller takes one point of witchcraft, one point of scoundrel, and one point of geomancy. Your melee fighter takes one point of man at arms, one point of witchcraft, and one scoundrel. Both characters pick the starting traits of lone wolf, and leech. I'll answer any questions that might come up. This wont be a level by level build, mostly a guideline. I just finished my second playthrough using a build i decided to test out, only to find out that it was comically powerful, dwarfing my other builds i tried by a huge margain.

Divinity original sin 2 build guide