User blog comment:ThePerpetual/Request 5: Return to STRW, Bunker(?) Busting, and so forth/@comment-34385655-20190405024219

It took her 10000 lighting bolts and fused them all into one to do this

So 9.52 Teratons ÷ 1000 = 0.000952 x 1000 = 0.952 Gigatons