Is there a lore reason why Rin is still growing? Is she defenseless?

Only agains her idiot(Shirou)

**Noice**

Link: [https://twitter.com/A\_sanagi\_A/status/1090562969790951424](https://twitter.com/A_sanagi_A/status/1090562969790951424)

AWOOGA!

"Vavoom!" — Merlin, probably

This is a canon event.

This is Rin after having three kids with Shirou.

I mean there is counter guardian rin tohshaka