Specific rooms now add specific Monster packs to the temple and Temple modifiers have been improved which results in more monster density, challenge and reward. Temple modifiers have been improved so that if your temple has more higher-tier rooms, then it's comparable to a good map. We have also performed a modernisation pass on room rewards so that they're competitive with newer leagues.
Many rooms now provide Temple-wide bonuses for the present-day Temple of Atzoatl based on their tier. The following rooms now grant +1% to monster pack size, 2% increased quantity of items found and 4% increased rarity of items found per room tier: Flame Workshop (full list omitted)
Based on the tier of the Flame Workshop sequence of rooms, monsters throughout the present-day temple will benefit from modifiers which grant extra fire damage to monsters, in line with similar map modifiers, including the benefits to item rarity, quantity and monster pack size that those modifiers come with.