Then... unless there's some context missing here, I feel like I would go with Nigh-Omnipotence.
I mean, this is being nearly omnipotent with the prime limitation that you take 5 seconds to generate any effect with your power. Assuming you can't just use your Nigh-Omnipotence to remove the 5 second limit, which would kind of defeat the point anyway, you could always give yourself other powers (e.g., Path to Victory or a combination like Automatic Power Use with passive precognitive capabilities would probably completely negate much of the issue unless there's an atemporal influence. PtV, if given a goal like 'survival', would just inform you of when to use your power to avert your own death, and Automatic Power Use + Precognition would just do it by itself), or create Almighty Laws to benefit yourself (e.g., one stating that you cannot be neutralised, contained or controlled against your will), etc.
You might not be able to use your Nigh-Omnipotence constantly, but you sure as hell can stack the deck in your favour before you would ever be in a situation where you would need to use it constantly.