[Trigger] DoT spell causing lagg from leaks?

[Fluffnub]

So I have made a MUI DoT spell and the only problem is that it laggs alot when units that are taking damage are on screen. I believe that this spell leaks alot but I don't know how to fix that. Can anyone help me and check why it lags and maybe fix it?

• Fire Strike
  • Events
    • Unit - A unit Starts the effect of an ability
  • Conditions
    • (Ability being cast) Equal to Flame Strike
  • Actions
    • Set Fdmg = (((((Real((Intelligence of (Triggering unit) (Include bonuses)))) x 3.00) + (50.00 x (Real((Level of Flame Strike for (Triggering unit)))))) x 3.00) / 18.00)
    • Set Ftime = 18.00
    • Set Fcaster = (Triggering unit)
    • Set Tpoint = (Target point of ability being cast)
    • Set tempgrp = (Units within 200.00 of Tpoint matching (((Matching unit) belongs to an enemy of (Owner of Fcaster)) Equal to True))
    • Unit Group - Pick every unit in tempgrp and do (Actions)
      • Loop - Actions
        • Unit Group - Add (Picked unit) to Fgroup
        • Hashtable - Save Fdmg as 10 of (Key (Picked unit)) in Hash
        • Hashtable - Save Ftime as 11 of (Key (Picked unit)) in Hash
        • Hashtable - Save Handle OfFcaster as 12 of (Key (Picked unit)) in Hash
    • Custom script: call DestroyGroup(udg_tempgrp)
    • Custom script: call RemoveLocation(udg_Tpoint)

• FlameStrike DoT
  • Events
    • Time - Every 1.00 seconds of game time
  • Conditions
  • Actions
    • Unit Group - Pick every unit in Fgroup and do (Actions)
      • Loop - Actions
        • Set Fdmg = (Load 10 of (Key (Picked unit)) from Hash)
        • Set Ftime = (Load 11 of (Key (Picked unit)) from Hash)
        • Set Fcaster = (Load 12 of (Key (Picked unit)) in Hash)
        • If (All Conditions are True) then do (Then Actions) else do (Else Actions)
          • If - Conditions
            • Ftime Greater than or equal to 3.00
          • Then - Actions
            • Unit - Cause Fcaster to damage (Picked unit), dealing Fdmg damage of attack type Spells and damage type Normal
            • Hashtable - Save (Ftime - 1.00) as 11 of (Key (Picked unit)) in Hash
          • Else - Actions
            • Unit Group - Remove (Picked unit) from Fgroup
            • Hashtable - Clear all child hashtables of child (Key (Picked unit)) in Hash

 

[Fluffnub]

It has been over 2 days now.
Is there anyone that can help me?