I don't recall even Aion, in all of its slider-ific glory, taxing my computer to its limit back when I played - at least not in any way that could remotely be contributed to the number of sliders. I think you're overstating the issue, to be honest.
"Song dogs barking at the break of dawn, lightning pushes the edges of a thunderstorm; and these streets, quiet as a sleeping army, send their battered dreams to heaven."
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