Spell Balance Suggestions

[Lt. Heart]

Spell: Yggdrasil

Suggestion: 
-cd by 10 seconds 

At the moment, it's a 3md x 6 heal tick, on a 60 second cd. I think the heal and the range are great, but there are a lot of problems with the cd to heal ratio in my opinion. If we divide the time by the total heal value for some heal spells, it comes out like this:

(How many seconds for 1 md of heal)

2.276 sec - Ingrain - Interm(15) - Note: 1 sec self-root
2.5 sec - Time Reversal - Interm(10) - Note: Heals Mana as well
2.5 sec - Reform - Basic(10) - Note: 1k self dmg, cleanse
2.692 sec - Sanctuary - Interm(10) - Note: Acts as a shield too, which reduces the effect of curse on its net hp gain
3 sec - Mend - Basic(10) - Note: Heals allies too
3.333 sec - Yggdrasil - Basic(15)
3.750 sec - Aquatic Flow - Basic(10)
3.846 sec - Cleanse - Basic(10) - Note: Cleanse

After the change, at 3md x 6 heal tick, on a 50 second cd:

2.778 sec (still overall worse than sanctuary in almost all conceivable metrics)

Yggdrasil has the issue that you have to be decently close to the tree to get the heals, which means people can push you out of the area if they so wished. If hit with a TK or Void Cutter, the tree will fly away out of the square which also makes it useless. I won't touch on the 15 rpp cost because it's actually a boon until Spore gets lowered to 10 rpp, but nevertheless Yggdrasil is an underwhelming skill, which is unfortunate considering how great it looks.

If the cd reduction change was made, it would be a bit more usable I feel.
Or it can be made to heal allies / ally summons, that would be cool too if not a bit strong.

As a side note, aquatic flow is only healing 2md in 4 ticks, unlike the 2.5md in 4 stated in the tooltip.

The math here is actually incorrect.

It's a 3 x 7 heal tick, on a 60 second cooldown.
Putting it at 2.86 /sec.

For a basic spell in a base tree, that's very potent.

*cough* buff aquatic flow.

Last I checked Aquatic flow was 8 md over time not 10 >.> it really should be buffed its the weakest tick heal avail in game on a tree that is meant for healing self/allies

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to add more unto this

Burden: 5ticks 3 power + cleanse, like 30 second CD
Crystal Heart: 4 ticks 3 power + 8% AP 30 second cd?
Faeborn Tick heal: 4 ticks 3 power + 5% AP Not sure on CD but likely 30 seconds?
And not sure on Repair for Synth but I think its also 4 ticks 3 power?