Rat king fixes + buffs (#22247)

* fix minor typo

* add doafter range

* increase miasma release

Content.Shared/RatKing/RatKingComponent.cs

@@ -49,7 +49,7 @@ public sealed partial class RatKingComponent : Component
     ///     How many moles of Miasma are released after one us of Domain
     /// </summary>
     [DataField("molesMiasmaPerDomain"), ViewVariables(VVAccess.ReadWrite)]
-    public float MolesMiasmaPerDomain = 100f;
+    public float MolesMiasmaPerDomain = 200f;
 
     /// <summary>
     /// The current order that the Rat King assigned.

Content.Shared/RatKing/SharedRatKingSystem.cs

@@ -119,7 +119,8 @@ public abstract class SharedRatKingSystem : EntitySystem
                 {
                     BlockDuplicate = true,
                     BreakOnDamage = true,
-                    BreakOnUserMove = true
+                    BreakOnUserMove = true,
+                    DistanceThreshold = 2f
                 });
             }
         });

Resources/Prototypes/Reagents/gases.yml

@@ -240,7 +240,7 @@
         scaleByQuantity: true
         ignoreResistances: true
         damage:
-          Groups:
+          groups:
             Brute: -5
             Burn: -5