Translation of "potent" into English

I natt gikk vi gjennom formelen flere ganger for å gjøre nervegiften mindre potent.

So last night we went through several iterations of the formula to make the neurotoxins less potent.

Den Kray legende er veldig potent, og en smart mann kunne bruke det å konsolidere sin makt.

The Kray legend is very potent, and a clever man could use it to consolidate his power.