Health Drain

Health Drain is a special weapon effect in Vampire Survivors. Weapons with Health Drain effect will slightly damage the character that holds it every second. Certain characters, as well as Invulnerable characters, are immune to Health Drain.
== Effect ==
Health Drain can trigger all upon-damage effect, like Retaliate.
The following weapons have Health Drain effect:
* 
* , , and 
The following Characters are immune to Health Drain:
* Vlad Tepes Dracula
* Alucard
* Stella & Loretta Lecarde
* Graham Jones
* Joachim Armster
* Walter Bernhard
* Carmilla
* Megalo Dracula