diff --git a/data/aura_group.cpp b/data/aura_group.cpp
index cf1ee92..6260036 100644
--- a/data/aura_group.cpp
+++ b/data/aura_group.cpp
@@ -4,5 +4,5 @@ AuraGroup::AuraGroup() {
 }
 
 void AuraGroup::_bind_methods() {
-	ADD_PROPERTY(PropertyInfo(Variant::STRING, "text_description"), "set_text_description", "get_text_description");
+	ADD_PROPERTY(PropertyInfo(Variant::STRING, "text_description"), "set_name", "get_name");
 }
diff --git a/entities/entity.cpp b/entities/entity.cpp
index c0f2af0..0ba29d2 100644
--- a/entities/entity.cpp
+++ b/entities/entity.cpp
@@ -2480,10 +2480,10 @@ Ref<AuraData> Entity::sget_aura_with_group_by(Entity *caster, Ref<AuraGroup> aur
 		}
 	}
 
-	return Ref<AuraData>(NULL);
+	return Ref<AuraData>();
 }
 Ref<AuraData> Entity::sget_aura_with_group_by_bind(Node *caster, Ref<AuraGroup> aura_group) {
-	if (!caster) {
+	if (!ObjectDB::instance_validate(caster)) {
 		return Ref<AuraData>();
 	}
 
@@ -5053,6 +5053,7 @@ void Entity::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("sget_aura_count"), &Entity::sget_aura_count);
 	ClassDB::bind_method(D_METHOD("sget_aura", "index"), &Entity::sget_aura);
 	ClassDB::bind_method(D_METHOD("sget_aura_by", "caster", "aura_id"), &Entity::sget_aura_by_bind);
+	ClassDB::bind_method(D_METHOD("sget_aura_with_group_by", "caster", "aura_group"), &Entity::sget_aura_with_group_by_bind);
 
 	ClassDB::bind_method(D_METHOD("cget_aura_count"), &Entity::cget_aura_count);
 	ClassDB::bind_method(D_METHOD("cget_aura", "index"), &Entity::cget_aura);