diff --git a/Resources/Prototypes/Entities/Mobs/NPCs/xeno.yml b/Resources/Prototypes/Entities/Mobs/NPCs/xeno.yml
index 01ff223689..bd5711f82e 100644
--- a/Resources/Prototypes/Entities/Mobs/NPCs/xeno.yml
+++ b/Resources/Prototypes/Entities/Mobs/NPCs/xeno.yml
@@ -72,6 +72,7 @@
     critThreshold: 200
   - type: Bloodstream
     bloodReagent: FluorosulfuricAcid
+    bloodMaxVolume: 650
   - type: MeleeWeapon
     altDisarm: false
     angle: 0
@@ -423,7 +424,7 @@
     tags:
     - DoorBumpOpener
     - FootstepSound
-    
+
 - type: entity
   name: space adder
   parent: MobPurpleSnake
diff --git a/Resources/Prototypes/Entities/Mobs/Player/dragon.yml b/Resources/Prototypes/Entities/Mobs/Player/dragon.yml
index d188070b26..aa10a631b5 100644
--- a/Resources/Prototypes/Entities/Mobs/Player/dragon.yml
+++ b/Resources/Prototypes/Entities/Mobs/Player/dragon.yml
@@ -6,6 +6,8 @@
   description: A flying leviathan, loosely related to space carps.
   abstract: true
   components:
+  - type: Bloodstream
+    bloodMaxVolume: 650
   - type: GhostRole
     allowMovement: true
     allowSpeech: true
diff --git a/Resources/Prototypes/Reagents/biological.yml b/Resources/Prototypes/Reagents/biological.yml
index 67766f2749..af6f2557ba 100644
--- a/Resources/Prototypes/Reagents/biological.yml
+++ b/Resources/Prototypes/Reagents/biological.yml
@@ -147,6 +147,8 @@
     # Dragon doesn't require airloss healing, so omnizine is still best for humans.
     Medicine:
       effects:
+      - !type:ModifyBloodLevel
+        amount: 3
       - !type:HealthChange
         damage:
           groups: