You are FAR too close to drawing your pension to do this.
you will always have volatility if invested in the markets, and no way are 8% returns available without a fair amount of risk (and as a pp pointed out, that 8% is actually 6% net of fees)
notwithstanding the current volatility, what have your current funds returned over the past 5 years? That’s your baseline.
also, whilst consolidating funds makes your admin simpler, unless you have sufficient fund size to trigger a sliding scale (eg half a million or so should get you a better rate of charge than 80k), it also means you have to make the same decision on retirement for the whole pot. I’ve kept some of mine separate, am drawing down (as unchrystalised funds drawdown) the pot with the highest charges leaving the other pot to grow. When I come to take that one I can choose to take 25% tax free from that one, more of the same or even buy an annuity
so consolidation does come with downsides!
finally has this adviser taken you through a risk profile and explained to you how his proposal meets your needs ? If he hasn’t, run as far and fast as you can, most people’s risk profile gets more risk averse as they near retirement and it sounds like you dislike volatility, making you even further along the curve towards low risk, yet he seems too be proposing a medium-high risk approach for those returns