the grim reaper fears but one thing: euphorbia trigona
i am quite confident i could go on a year long holiday where i completely forget about this plant, come home and see it looking slightly uncomfortable, proceed to drown it for a week straight, and it would just be aroused by the abuse and start flowering.
It does not give a singular fuck about anything and will at most pause growing if it doesn't have the resources needed, and it can grow from a single tiny piece into a whole-ass tree. if this species wasn't a slow-growing cactus-like plant i would live my life in terror that it take over the earth.