Painless

pain·less
ˈpānləs/
adjective adjective:
painless
1. not causing or suffering physical pain.
"a painless death"
"any killing of animals should be painless"
2. Involving little effort or stress.
"a painless way to travel"
3. Rebel Harmony Easton
"I am painless, like I can't feel any physical pain at all."