
In contrast to the Jomsvikings, Rome pairs well with the Quantity military ideas, which should swell your ranks to the point that globally-based legions are barely a tax on your resources. But hey, restoring Rome in CK2 isn't easy, so being rewarded with all the tools to become an intercontinental superpower is probably appropriate. This seems more than a little overpowered, based on the other idea groups in the game. Their traditions grant +10% Discipline and +1 Yearly Legitimacy, while completing the track gives you an insane +33% Manpower. Imperium Sine Fine: Core Creation Cost -20% Imperial Bureaucracy: National Tax Modifier +10% Roman Architecture: Production Efficiency +20% The Roman Legions: Land Forcelimit +15%, Infantry Combat Ability +10% With Holy Fury, Christian emperors of Greek, Italian, Sardinian, or Roman culture have the option to restore the old Imperial religion Hellenism through a series of events.If you managed to restore the Roman Empire as Byzantium using CK2's Legacy of Rome DLC, they will be imported into EU4 as an Empire with a unique idea group:

The de jure capital moves from Constantinople to Rome.Any duchy considered rightfully part of the Roman Empire can be attacked using the "Imperial Reconquest" CB (Muslims cannot be attacked using this CB you'll have to risk holy war).With Holy Fury: If no historical Byzantine bloodline is active, ruler gets a Roman restorer bloodline with bonus culture conversion for Roman culture.This can stack with the +5 opinion modifier from being Born in the purple, and the +10 opinion modifier from rapidly accumulating 2000 prestige. Roman emperors are automatically given the Augustus trait, which grants +10 vassal opinion and +0.5 monthly prestige.The ruler will receive the nickname "the Glorious".Restoring Rome has the following effects: The Byzantine Empire must also be your primary title. With Legacy of Rome expansion, it is possible, as Emperor of the Byzantine Empire, to restore the Roman Empire by controlling key duchies of the old empire.

The Roman Empire is a titular Empire title. Duchies highlighted in yellow are required for the restoration.
