did a minor tweak

Assets/Scripts/WaterSpirit.cs

@@ -0,0 +1,46 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class WaterSpirit : MonoBehaviour {
+    private Transform player;
+    public BoxCollider2D boxCollider;
+    public float swimSpeed = .25f;
+    private Rigidbody2D rb;
+    private Vector2 movement = Vector2.zero;
+    private float sizeOffset = 1;
+
+    void Start() {
+        rb = this.GetComponent<Rigidbody2D>();
+        boxCollider = this.GetComponent<BoxCollider2D>();
+        sizeOffset = Random.Range(2f, 3f);
+        player = GameObject.FindWithTag("Player").transform;
+        if (player == null) {
+            Debug.Log("Player not found! Make sure Seiden's Char Movement has a tag of Player!");
+        }
+    }
+
+    void Update() {
+        if (Movement.pause) return;
+        Vector3 direction = player.position - transform.position;
+        movement = direction.normalized;
+        // Scale spirit size so they look like the swim like squid lol
+        float size = Mathf.Sin(Time.time * sizeOffset) * .25f + 1;
+        transform.localScale = new Vector3(size, size, 1);
+    }
+
+    void FixedUpdate() {
+        if (Movement.pause) return;
+        moveMe(movement);
+    }
+
+    private void OnTriggerEnter2D(Collider2D collision) {
+        if (collision.tag == "Player") {
+            collision.GetComponent<Health>().takeHit();
+        }
+    }
+
+    void moveMe(Vector2 direction) {
+        rb.MovePosition(rb.position + direction * swimSpeed * Time.fixedDeltaTime);
+    }
+}