[GAMEPLAY] Tears of the Goddess' stacks

I've only had this happen to me once, and is extremely situational, and should test it some more but... I was playing an ARAM and had a as a starting item. Played very defensively and didn't die until at least 15-20 min in. I was doing so well, and building mostly AP, but I figured why not build both? So I bought & cause I was and have mana at 18 runes. To my advantage, i saw that once i bought both, the mana charge was the same for both items, 520/750 and any time I received max mana from one, it applied to both, and they both evolved at the same time.

Now I know normally 's mana charge trumps and shouldn't be charging at the same time due to the unique passive.

I'll have to test this out a bit more, and after looking at the wiki for statistics. I run & a lot, so building both items wont be a detriment to gameplay.

"Selling Tear of the Goddess and its upgrades removes the bonus mana. There is a small window of time during which Tear of the Goddess or related items can be re-bought while still retaining the bonus mana stacks. In addition, while any Tear of the Goddess or related item is held, the bonus mana stacks are retained, even if the original item used to gain the stacks is sold."

Could be where the problem lies and creates the bug, the game thinking that they are both made from the same .

On a side note, having an item that worked like but for HP would be quite cool, since Spirit of the Ancient Golem was taken out limiting some of the heavy HP builds.