diff --git a/src/main/java/io/github/syst3ms/skriptparser/expressions/CondExprCompare.java b/src/main/java/io/github/syst3ms/skriptparser/expressions/CondExprCompare.java
index cdbfde27..63ef2cfc 100644
--- a/src/main/java/io/github/syst3ms/skriptparser/expressions/CondExprCompare.java
+++ b/src/main/java/io/github/syst3ms/skriptparser/expressions/CondExprCompare.java
@@ -59,6 +59,7 @@ public class CondExprCompare extends ConditionalExpression {
                 "if {_string} is not equal to {_string2}:",
                 "if 1 = 1:")
             .since("1.0.0")
+            .setPriority(0)
             .register();
     }
 
diff --git a/src/main/java/io/github/syst3ms/skriptparser/expressions/CondExprContains.java b/src/main/java/io/github/syst3ms/skriptparser/expressions/CondExprContains.java
index b8e1c06d..add9cef7 100644
--- a/src/main/java/io/github/syst3ms/skriptparser/expressions/CondExprContains.java
+++ b/src/main/java/io/github/syst3ms/skriptparser/expressions/CondExprContains.java
@@ -30,7 +30,6 @@ public class CondExprContains extends ConditionalExpression {
                 "%string% [1:does(n't| not)] contain[s] %string%",
                 "%objects% [1:do[es](n't| not)] contain[s] %objects%"
             )
-            .setPriority(2)
             .name("Contains")
             .description("Checks if a given list of objects contain a given element. You can also check if a string contains another string.")
             .examples("if {_string} contains \"hello\":",
diff --git a/src/main/java/io/github/syst3ms/skriptparser/lang/entries/ExpressionLoader.java b/src/main/java/io/github/syst3ms/skriptparser/lang/entries/ExpressionLoader.java
index a256c0dd..bc92ab53 100644
--- a/src/main/java/io/github/syst3ms/skriptparser/lang/entries/ExpressionLoader.java
+++ b/src/main/java/io/github/syst3ms/skriptparser/lang/entries/ExpressionLoader.java
@@ -3,16 +3,13 @@
 import io.github.syst3ms.skriptparser.file.FileElement;
 import io.github.syst3ms.skriptparser.lang.Expression;
 import io.github.syst3ms.skriptparser.lang.Variable;
-import io.github.syst3ms.skriptparser.lang.base.ConvertedExpression;
 import io.github.syst3ms.skriptparser.log.ErrorType;
 import io.github.syst3ms.skriptparser.log.SkriptLogger;
 import io.github.syst3ms.skriptparser.parsing.ParserState;
 import io.github.syst3ms.skriptparser.parsing.SyntaxParser;
 import io.github.syst3ms.skriptparser.types.PatternType;
-import io.github.syst3ms.skriptparser.types.conversions.Converters;
 
 import java.util.Optional;
-import java.util.function.Function;
 
 public class ExpressionLoader<T> extends OptionLoader {
 
@@ -60,20 +57,8 @@ public boolean loadEntry(SectionConfiguration config, FileElement element, Parse
         }
 
         Expression<?> expression = exprOptional.get();
-        if (Variable.class.isAssignableFrom(expression.getClass())) {
-            Class<?> returnType = expression.getReturnType();
-
-            if (!this.typeClass.isAssignableFrom(returnType)) {
-                Optional<? extends Function<?, Optional<? extends T>>> converter = Converters.getConverter(returnType, this.typeClass);
-                if (converter.isPresent()) {
-                    ConvertedExpression<?, T> tConvertedExpression = ConvertedExpression.newInstance(expression, this.typeClass, converter.get());
-                    config.getData().put(this.key, tConvertedExpression);
-                    return true;
-                }
-
-                logger.error("Expression '" + s + "' does not return a " + typeClass.getSimpleName() + " found: " + expression.getReturnType().getSimpleName(), ErrorType.SEMANTIC_ERROR);
-                return false;
-            }
+        if (expression instanceof Variable<?> var) {
+            var.setReturnType(this.typeClass);
         }
 
         config.getData().put(this.key, expression);
diff --git a/src/main/java/io/github/syst3ms/skriptparser/lang/entries/SectionConfiguration.java b/src/main/java/io/github/syst3ms/skriptparser/lang/entries/SectionConfiguration.java
index 24b843ff..af5cd5e8 100644
--- a/src/main/java/io/github/syst3ms/skriptparser/lang/entries/SectionConfiguration.java
+++ b/src/main/java/io/github/syst3ms/skriptparser/lang/entries/SectionConfiguration.java
@@ -152,7 +152,7 @@ public <T> Optional<T> getValue(String key, Class<T> cls) {
     public <T> Optional<Expression<T>> getExpression(String key, Class<T> cls) {
         Object o = this.data.get(key);
         if (o instanceof Expression<?> expression && cls.isAssignableFrom(expression.getReturnType())) {
-            return (Optional<Expression<T>>) Optional.of((T) expression);
+            return Optional.of((Expression<T>) expression);
         }
         return Optional.empty();
     }
diff --git a/src/main/java/io/github/syst3ms/skriptparser/registration/DefaultRegistration.java b/src/main/java/io/github/syst3ms/skriptparser/registration/DefaultRegistration.java
index 5a4f9d7b..fbd9e079 100644
--- a/src/main/java/io/github/syst3ms/skriptparser/registration/DefaultRegistration.java
+++ b/src/main/java/io/github/syst3ms/skriptparser/registration/DefaultRegistration.java
@@ -251,6 +251,25 @@ public String deserialize(Gson gson, JsonElement element) {
                     return gson.fromJson(element, String.class);
                 }
             })
+            .arithmetic(new Arithmetic<String, String>() {
+                @Override
+                public String difference(String first, String second) {
+                    return first.substring(second.length());
+                }
+                @Override
+                public String add(String value, String difference) {
+                    return value + difference;
+                }
+                @Override
+                public String subtract(String value, String difference) {
+                    return value.substring(0, value.length() - difference.length());
+                }
+
+                @Override
+                public Class<? extends String> getRelativeType() {
+                    return String.class;
+                }
+            })
             .register();
 
         registration.newType(Boolean.class, "boolean", "boolean@s")
diff --git a/src/main/java/io/github/syst3ms/skriptparser/registration/SkriptRegistration.java b/src/main/java/io/github/syst3ms/skriptparser/registration/SkriptRegistration.java
index e1db2f29..a27268c0 100644
--- a/src/main/java/io/github/syst3ms/skriptparser/registration/SkriptRegistration.java
+++ b/src/main/java/io/github/syst3ms/skriptparser/registration/SkriptRegistration.java
@@ -953,7 +953,7 @@ public abstract class SyntaxRegistrar<C extends SyntaxElement> implements Regist
         protected final List<String> patterns = new ArrayList<>();
         protected final Map<String, Object> data = new HashMap<>();
         protected Documentation documentation = new Documentation();
-        protected int priority;
+        protected int priority = 5;
 
         SyntaxRegistrar(Class<C> c, String... patterns) {
             this.c = c;
diff --git a/src/main/java/io/github/syst3ms/skriptparser/structures/functions/StructFunction.java b/src/main/java/io/github/syst3ms/skriptparser/structures/functions/StructFunction.java
index 85767da1..010228a3 100644
--- a/src/main/java/io/github/syst3ms/skriptparser/structures/functions/StructFunction.java
+++ b/src/main/java/io/github/syst3ms/skriptparser/structures/functions/StructFunction.java
@@ -17,11 +17,26 @@ public class StructFunction extends Structure {
     static {
         Parser.getMainRegistration()
             .newStructure(StructFunction.class, "*[:local[ ]] func[tion] <" + Functions.FUNCTION_NAME_REGEX + ">" +
-                "\\([params:%*functionparameters%]\\)[return: \\:\\: <.+>]")
+                "\\([params:%*functionparameters%]\\)[return: (\\:\\:|returns|-\\>) <.+>]")
             .setHandledContexts(FunctionContext.class)
             .name("Function")
-            .description("Creates a function that can be called from other scripts.")
+            .description("Creates a function that can be called from other scripts.",
+                "`local` indicates a function that can only be called from the same script.")
             .since("1.0.0")
+            .examples("function getName(p: player) :: string:",
+                "\treturn name of {_p}",
+                "",
+                "function getLocation(e: entity) returns location:",
+                "\treturn location of {_e}",
+                "",
+                "function getWorld(e: entity) -> world:",
+                "\treturn world of {_e}",
+                "",
+                "function spawn(p: players):",
+                "\tteleport {_p::*} to {spawn}",
+                "",
+                "function broadcast(m: string, p: players):",
+                "\tsend {_m} to {_p::*}")
             .register();
     }
 
diff --git a/src/main/java/io/github/syst3ms/skriptparser/util/color/Color.java b/src/main/java/io/github/syst3ms/skriptparser/util/color/Color.java
index a0a39a87..17871418 100644
--- a/src/main/java/io/github/syst3ms/skriptparser/util/color/Color.java
+++ b/src/main/java/io/github/syst3ms/skriptparser/util/color/Color.java
@@ -1,5 +1,6 @@
 package io.github.syst3ms.skriptparser.util.color;
 
+import java.util.Locale;
 import java.util.Map;
 import java.util.Optional;
 import java.util.regex.Pattern;
@@ -116,6 +117,7 @@ public static Color of(long hex, boolean isAlpha) {
      * @see #COLOR_PATTERN
      */
     public static Optional<Color> ofHex(String hex) {
+        hex = hex.toLowerCase(Locale.ROOT);
         if (!hex.matches(COLOR_PATTERN.pattern()))
             return Optional.empty();