Asyndeton

Etymology

From Greek asýndeton, "unconnected, not bound together," from a- ("without") + sýndetos ("bound"), from syn ("with") + deîn ("to bind"). Where polysyndeton binds with many conjunctions, asyndeton cuts the binding away, leaving the parts to stand in bare, accelerating succession.

noun · /uh-SIN-di-ton/
The omission of conjunctions between words, phrases, or clauses.
What it names
The clipped urgency of "I came, I saw, I conquered" — dropping the "and" so the items rush together, fast and emphatic.
Example
The manifesto was pure asyndeton: "Move fast. Break things. Apologize later."
Related idea
Polysyndeton is the mirror image that adds conjunctions everywhere; asyndeton removes them, trading polysyndeton’s heaviness for speed.