But in the blink of an eye, an invisible invader can elicit great anger from the snake. The constantly moving invader would confuse and upset it.
Should the invader run toward the snake, it would lash out at him. A fight would ensue and visible, tense energy would be released. The snake, blinded by rage, would attack anything that touched his palace.
(PART OF IT GOT CUT OFF AND I DIDN'T NOTICE!

What is this fragile palace?
Bonus: What is the invader?