In Divinity: Original Sin II, Fane, a unique undead character, possesses special vampiric abilities that influence his gameplay significantly. His undead nature alters how healing and damage abilities interact with him, particularly allowing him to capitalize on blood and poison for healing rather than traditional restorative methods. Below is a detailed overview of his vampiric abilities, the interactions with Source mechanics, and a summary table.

Vampiric Abilities for Fane

1. Vampiric Hunger (Hydrosophist skill)
– Description: This skill functions as an aura that heals undead characters like Fane whenever they deal damage to enemies.
– Mechanics: Instead of receiving conventional healing—which is detrimental to him—Fane heals from blood and poisonous attacks. This interaction enables a unique healing approach whereby he can sustain himself in combat effectively.
– Synergy with Other Skills: Vampiric Hunger can be combined with various blood magic skills. For instance, casting Rain of Blood creates blood surfaces that Fane can utilize to heal himself through skills like Bloodsucker, allowing for a creative healing loop.

2. Bloodsucker
– Description: A necromancy skill that specifically allows Fane to heal by sucking blood from enemies.
– Range Benefit: One of Bloodsucker’s key advantages is its capability to heal Fane from a distance, making it particularly advantageous in encounters where he would typically require melee combat to heal.

3. Healing from Poison and Blood Skills
– Effect: Fane, along with other undead characters, gains health when standing in blood or poison surfaces created by certain abilities.
– Strategic Use of Skills: Skills such as Contamination or Poison Dart both damage enemies and simultaneously create environments where Fane can gain health. This setup promotes a playstyle centered around inflicting damage over time while maintaining his health through environmental effects.

Interaction with Source

– Understanding Source Skills: Source skills represent some of the most potent abilities within the game, reliant on scarce Source points.
– Vulnerability of Traditional Healing: While Fane can build on Necromancy and Hydrosophist skill trees, traditional healing methods are ineffective. Thus, leveraging skills that incorporate blood or poison effects becomes crucial.
– Crafted Source Abilities: Source-enhanced skills, like Blood Storm (an evolved form of Rain of Blood), exhibit the potential to combine offensive capabilities with healing effects, ensuring Fane remains an active threat while also replenishing his health.
– Source Management: Given the limitations on Source points, effective management becomes critical. Fane must balance the usage of these powerful skills to maximize both damage output and survivability in battle.

Summary Table of Fane’s Vampiric Abilities

| Ability / Skill | Effect on Fane (Undead) | Source Interaction |
|———————————-|—————————————————————|————————————————-|
| Vampiric Hunger | Heals Fane by dealing damage through blood | Crafted skill, can be enhanced with Source |
| Bloodsucker | Heals via sucking blood from enemies at a distance | Primarily a Necromancy skill, not Source-based |
| Rain of Blood / Blood Storm | Creates healing blood surfaces while damaging enemies | Blood Storm is a crafted Source skill combining multiple effects |
| Poison Effects + Contamination | Creates toxic surfaces healing Fane while harming foes | Operates independently of Source |

By effectively utilizing his vampiric, blood, and poison abilities, along with astute Source management, Fane transforms his undead characteristics into formidable advantages. This allows him to excel by causing damage while simultaneously recovering health, subverting the limitations typically imposed on undead characters in the game.