diff --git a/zone/mob_ai.cpp b/zone/mob_ai.cpp
index 72415b21ff..9152b076d8 100644
--- a/zone/mob_ai.cpp
+++ b/zone/mob_ai.cpp
@@ -1073,9 +1073,15 @@ void Mob::AI_Process() {
 	if (engaged) {
 		if (IsNPC() && m_z_clip_check_timer.Check()) {
 			auto t = GetTarget();
-			if (t && DistanceNoZ(GetPosition(), t->GetPosition()) < 75 && std::abs(GetPosition().z - t->GetPosition().z) > 15 && !CheckLosFN(t)) {
-				GMMove(t->GetPosition().x, t->GetPosition().y, t->GetPosition().z, t->GetPosition().w);
-				FaceTarget(t);
+			if (t) {
+				float self_z   = GetZ() - GetZOffset();
+				float target_z = t->GetPosition().z - t->GetZOffset();
+				if (DistanceNoZ(GetPosition(), t->GetPosition()) < 75 &&
+					std::abs(self_z - target_z) >= 25 && !CheckLosFN(t)) {
+					float new_z = FindDestGroundZ(t->GetPosition());
+					GMMove(t->GetPosition().x, t->GetPosition().y, new_z + GetZOffset(), t->GetPosition().w, false);
+					FaceTarget(t);
+				}
 			}
 		}
 
diff --git a/zone/npc.cpp b/zone/npc.cpp
index ff5b45b792..b683b1bd91 100644
--- a/zone/npc.cpp
+++ b/zone/npc.cpp
@@ -159,6 +159,9 @@ NPC::NPC(const NPCType *npc_type_data, Spawn2 *in_respawn, const glm::vec4 &posi
 	if (race == RACE_LAVA_DRAGON_49) {
 		size = 5;
 	}
+	if (race == RACE_WURM_158) {
+		size = 15;
+	}
 
 	taunting             = false;
 	proximity            = nullptr;
diff --git a/zone/waypoints.cpp b/zone/waypoints.cpp
index afa36c114b..28892f157d 100644
--- a/zone/waypoints.cpp
+++ b/zone/waypoints.cpp
@@ -934,6 +934,7 @@ float Mob::GetZOffset() const {
 		case RACE_AMYGDALAN_663:
 			offset = 5.0f;
 			break;
+		case RACE_SPECTRAL_IKSAR_147:
 		case RACE_SANDMAN_664:
 			offset = 4.0f;
 			break;