Logical analysis if the situation tells him that much, the vine is too tightly wrapped around his throat and he can feel his vision blacking out, taste the blood on his lips where it's streaming down from his nose.
But he can still attempt to distract it long enough to save John and Mycroft.
So he twists as he best he can and hurls himself, feet first, at Flynn's head even if it means the vines tighten around his throat.]
cw: body horror/parasitism
Logical analysis if the situation tells him that much, the vine is too tightly wrapped around his throat and he can feel his vision blacking out, taste the blood on his lips where it's streaming down from his nose.
But he can still attempt to distract it long enough to save John and Mycroft.
So he twists as he best he can and hurls himself, feet first, at Flynn's head even if it means the vines tighten around his throat.]