[GAMEPLAY] Rengar's Tiamat animation doesn't play propertly

Rengar have unique Tiamat animation, while Q is active, casting Tiamat will start Rengar's Q animation, but there is currently a bug with Tiamat not completing animation propertly. While using Q, at the very end of the stab, Rengar pulls his knife out of the body he stabbed, but on Tiamat active he just awkwardly stops with his hands after he stabs. This wasn't the case back then at 2016 before the rework happened, it was playing Q animation till the end. Tiamat/Hydra is a core item on jungle Rengar and that animation not ending propertly during combos and fighting just destroys smooth feeling about him.

Rengar's Q animation: https://media.giphy.com/media/n4aEnLYJXetb8XMjfC/giphy.gif Rengar's Tiamat animation: https://media.giphy.com/media/pz2M8sagdNMHvnn2mU/giphy.gif

Reproduction rate: 10/10

1. Buy Tiamat
2. Press Q
3. While Q is active, press Tiamat

Expected result: Tiamat animation copying Rengar's Q will start and gets fully completed just like Q Observed result: Tiamat animation stops half way through and doesn't get completed

I've been able to find how it looked before (2013) and how does it look now.

Old clip - Q animation on Tiamat active is completely there https://media.giphy.com/media/9GIP7Gk5onTRNp92ZI/giphy.gif

2019 - Q animation on Tiamat active is only partially there https://media.giphy.com/media/3ICLPIEU1huMWGZkSk/giphy.gif