I need to sleep now, its already 4:38 AM here...

But i think i made my point very clear. 
Gravity, time... All those Powers Will be used mainly as defensive measures.
You should be worried about the only thing that can actually hurt you: the freaking thorn dices moving around, shredding and punching holes at things.

But well... If things start to get crazy near Shai, she can use her powers to be crazy too...

Think of it like the cold war. If you send your nukes ill send mine too.

And well... Paralyzing everyone in the forest by Poison, letting you bem able to basically murder everyone without much problems (and they cant do anything about it bcos they cant smell or feeling the Poison) is a kinda... Extreme approach, isnt it?