But it looks like the most recent World First was event more expensive, ending up at 331 Million gold.
~146m external loans— Veyloris (@Veyloris) December 23, 2020
~79.84m internal loans
225,847,845 total loans
We started with a decent bit of gold, so the total cost this tier was ~276,740,000. To buy that much gold in tokens would cost: $46,123.33.
All those millions mostly on BoE gear for the raiders but also consumables and some pretty high repair bills for the hundreds of wipes.