Look at this tier of achievements and each have 3 heroic mode world firsts including the last boss of the old content (paragon) and the more relevant content (Blood Legion). The last content release of this tier will be the decider with Blood Legion currently in first place and paragon behind them. Each guild gets a lot of hate but they're both great guilds. The last leg of this race might make this the most interesting world first finish since the heroic LK race.