Any unshielded plot can be taken for 1.2× its price. The price then climbs one level. Land is never wiped, it only changes hands.
The robbed owner's +8% is swapped into the district's tokenized stock on the spot. The campfire slice (20%) pools up in ETH for the season. When the clock dies, the district whose people burned the most $ROB that season takes the whole pot: split equally over its owned plots, paid in that district's stock when you claim. Anyone can burn for any district. No burns, the pot rolls over.
A shield makes a plot you own unrobbable for 3 hours. It costs 10,000 $ROB, burned forever. Use it to hold a top-4 plot through a season finale. It cannot be extended early; when it drops, anyone can rob again.
Shield burns do not count toward the campfire race; use Burn for the district for that. $ROB is never minted again.
Each robbery adds 60 seconds, never more than 6 hours ahead. When the clock dies the jackpot pays the last 5 robberies and the 4 priciest plots, by price; prices reset to 15% and a new season begins. Every payout is pull-based: hit Claim.