What if determination was actually a real chemical in the real world. What would it be though? It would be adrenaline! Why? Our heart produces Adrenaline in dangerous situations, it is produced when: we are scared, are in danger, are at the edge of death, determined to lush through the impossible. How? Determination in Undertale is used to keep you alive, right? Whenever you're in a dangerous situations, we can always depend on good old determination to save us. Like so is with humans in real life. Ex. A murderer is chasing us, our heart starts to produce adrenaline, this increases our stamina, speed, this happens when we are "determined" to