Europa Universalis IV: Developer diary 37 - Aragon, Naples and Korea
by Kallocain
Published on 28-06-2013 18:14 Number of Views: 7857

Welcome to the 37th Development Diary, as we continue the march to launch day on August 13! We continue our look at some of the countries we’ve given more character and unique traits, so this week we introduce you to Aragon, Naples and Korea.

ようこそ 37回目の開発日記へ、私たち製作陣は8月13日に向けて作業を続けています!


Aragon has an interesting starting position between the big nations France and Castile. The personal union with Naples guarantees a strong starting ally and the island possessions of Sardinia and Sicily can be protected by a strong galley fleet – larger than that of Castile. Aragon is able to form Spain, just as Castile is, and may find that an aggressive posture while Castile is distracted is better than sitting back and waiting for the hammer blow from Toledo.



National Ideas

Aragon starts with a 10% bonus to their galleys’ combat ability and a 10% boost to National Taxes


  1. Mercenary Princes: Mercenary Cost -25%: Like most medieval kingdoms, Aragon relied heavily on mercenary armies. Their own Almogavar troops were rented out across Europe for hundreds of years.
  2. Protection of the Coast Lines: Galley Cost -25%: Aragon was one of the leading galley navies in Europe, pioneering the use of castles and heavy cannon on these light ships.
  3. Mediterranean Trade: Trade Steering +20%: With Genoa to the east and Sevilla to the West, Aragon is situated to decide which node to invest in and from where it should steer some extra cash.
  4. Consolidation of the Estates: Stability Cost Modifier -20%: Bring all the great houses and lands together, so that there are fewer points of conflict, weakening our kingdom.
  5. Chartered Merchant Companies: Global Trade Power +20%: Control of Naples meant that Aragon had access to the greatest Italian trade port. Chartered companies sprung up to take advantage of this wealth.
  6. Reforming the Administration: National Tax Modifier +10%: Aragon was often too decentralized, a legacy of Catalan independence and the fact the islands took care of themselves. Reform would see more money come to the crown.
  7. Protect the Little Folk: Morale of Armies +0.25: Orphaned children of the infantry would find care in state run schools.
  1. 雇われ王子:傭兵コスト-25%:多くの中世の王国のように、アラゴンも強く傭兵に依存していました。彼らの所有するアルモガバラス(訳注;アラゴンに使えた傭兵軍団)は何百年もの間欧州中で雇われ続けました。
  2. 海岸線の保護:ガレーのコスト-25%:アラゴンはヨーロッパでガレー海軍を主導した国のひとつで、灯台船にcastlesと重砲の使用した先駆者でもありました。
  3. 地中海交易:trade steering+20%:東にジェノヴァ、西にセビーリャと、アラゴンはいくつかの余分な現金を向ける交易点を決める位置に存在しています。
  4. 遺産の統合:安定化コスト-20%:王国を弱体化させるわずかな争点があるために、すべての家屋と土地をもたらします(よくわからない)。
  5. 公認商社:国際貿易力+20%:ナポリの管理は、アラゴンが偉大なイタリアの貿易港にアクセスできることを意味しています。公認会社はこの富を利用するために現れました。
  6. 政府の改革:国税+10%:アラゴンはしばしば地方分権化されすぎて、カタルーニャに独立の希望と島々への自治を与えていました(かなり意訳)。
  7. 小人の保護:軍の士気+0.25:歩兵の孤児たちは国が経営する学校で世話されました。

When Aragon has unlocked all their ideas, they get a +2 bonus to Diplomatic Reputation. Aragon is a solid economic power with the navy as its core asset. If it can keep Naples close, it is more than a match for Castile before the empire gets going.

アラゴンがすべてのアイデアを獲得したら、diplomatic reputationに+2のボーナスが得られます。アラゴンは彼らのコア資産として海軍とともに堅固な経済力を持っています。ナポリと親密な関係を持ち続けられれば、帝国が動き出す前にカスティーリャに匹敵する以上になれるでしょう。


Naples is the big dog in Italy when the game begins. Yes, it starts in a personal union under Alfonso V of Aragon, but should this come to an end, Naples has the land and money to push into the fractured northern half of the boot.


National Ideas

  1. Naples starts with a 25% bonus to National Spy Defence and 5% faster recovery to Navy Morale.
  1. Found the Academy of Naples: Yearly Prestige +1: Neapolitan support of arts and literature was central to the royal family’s conception of itself.
  2. Consolidate the Royal Domain: National Tax Modifier +10%: Southern Italy may not be as divided as the city states in the north, but only because the king works hard to keep his domain united.
  3. Encourage City Living: Stability Cost Modifier -20%: Naples rivals Rome and Florence in size, and by bringing more peasants to the towns, you can promote trade and crafts.
  4. Expand the Arsenal: Galley Cost -25%: The Neapolitan Arsenal isn’t as awesome as the one in Venice, but with some expansion, it could make the fleet of Naples rival all shopkeeper nations.
  5. City of Artists: Yearly Legitimacy +1: With sculpture workshops and multiple art academies, the Muses themselves sing of how divinely inspired the royal line of Naples is.
  6. Suppress Banditry: Trade Efficiency +5%: The wealth of Naples encourages a few people to turn away from the law. By keeping this criminal element under control,
  7. Refurbish the University of Royal Studies: Technology Cost -5%: The medieval seat of learning in Naples went through many periods of decline over its centuries of existence. Renewed attention by monarchs led to cultural flowering in the kingdom.
  1. ナポリ大学の創設:毎年の名声+1:ナポリの芸術と文学に対する保護は王家の理念そのものの中核をなしていました。
  2. 王領地の統合:国税+10%:南イタリアは北部のように都市国家で細分化されずにすんだのは、ただ王が彼の領地の連続性を保とうと必死になったからである。
  3. 都市生活の推進:安定化コスト-20%:ナポリは大きさにおいてローマやフィレンツェと張り合い、より多くの田舎者を都市へ連れてくることで交易と工芸を推進することができる。
  4. 兵器庫の拡張:ガレーコスト-25%:ナポリの武器庫はヴェネツィアのものほどイケてるわけではありませんが、その拡張はナポリ海軍をすべての商人国家と張り合えるものにしました。
  5. 芸術家達の都市:年次正当性+1:彫刻工房と多角的な芸術アカデミーで、ミューズ自身が王家の血統がいかに神のごとく霊感を与えてくれるかを高らかにうたっています(よくわからない)。
  6. 山賊鎮圧:交易効率+5%:ナポリの富はいくらかの人々を法の道から踏み外させました。この重要な問題をコントロール化におくことで、(原文なし)
  7. 王立大学の改造:技術コスト-5%:ナポリにおける学問は時代が進むにしたがってその存在が薄れていきました。王政による意識改革は王国の文化を開花させました。

When Naples has all their ideas they also get a 1% reduction in the rate of Naval Tradition decay. Naples will be a strong naval power, but is otherwise well balanced in its attributes.



Korea starts next to Ming, which can be intimidating, but Korea is a strong nation that can hold its own. It has many provinces, the potential of a strong ally in either the Ming or Manchu, and dominance in the Beijing trade node.


  1. The Hangul Alphabet: Technology Cost -5%: Introduced in the 1440s, Hangul slowly became the standard script for Korean. It is syllable based, unlike the more symbol oriented Chinese of the time, and was easier to learn, promoting literacy.
  2. Grand Code for State Administration: Stability Cost Modifier -10%: King Seongjong reasserted the legitimacy of the Joseon dynasty through vigorous administrative efforts, including unifying and updating the legal codes of Korea.
  3. Hyang'yak System: Production Efficiency +10%: The Hyang’yak system recognized some degree of local independence in decision making in return for respecting the powers of the royal line.
  4. Geobukseon: Heavy Ship Combat Ability +5%: The famous “turtle ships” of Korea were used to halt a Japanese naval invasion in the 1590s. Though their exact manufacture is unknown, some sort of metal plating on the roof is likely and iron spikes prevented boarding.
  5. The Hopae System: National Manpower Modifier +10%: This early 15th century system of national identification tags fell out of use as the Korean census expanded. But it was revived in the 1600s to track the movements of citizens.
  6. The Kyujanggak: Idea Cost -10%: Korea’s royal library, founded in 1776. This is also the site of the national archives.
  7. Economic Reform: National Tax Modifier +10%: Jeongjo, the last of the great Joseon rulers, devoted his reign to a series of reforms and innovations in the kingdom.
  1. ハングル文字:技術コスト-5%:1440年代に導入され、ハングルはゆっくりと朝鮮の筆記体活字となりました。音節に基づき、当時の中国語のものと似ていない記号的な文字で、学習を容易にし、識字能力を向上させました。
  2. 国家総局のための大典:安定化コスト-10%:成宗は朝鮮の法典を統一、更新するなど、頑健な行政能力を通して朝鮮王朝の正統性を主張しました。
  3. 郷約制度:production efficiency+10%:郷約システムは王家の血統の力への尊敬を取り戻すことに成功した決定の中で、ある程度の地方自治を認めた。
  4. 亀甲船:重船の攻撃力+5%:有名な朝鮮の”亀甲船”は、1590年代の日本海軍の侵入時に利用されました。正確な製造法は不明なものの、屋根にいくらかの金属を張られたり、乗船を防ぐための鉄のスパイクがついていたらしいです。
  5. 号牌制度:人的資源+10%:15世紀初頭の戸籍制度は朝鮮の人口調査を拡張することで使うのをやめました。しかし、国民の足取りを追うために1600年代に復活しました。
  6. 奎章閣(けいしょうかく):アイデアコスト-10%:朝鮮の王立図書館で、1776年創立。国立古文書館でもあります。
  7. 経済の刷新:国税+10%:最後の偉大な朝鮮の統治者、正祖は自身の統治を王国の一連の刷新と改革にささげました。

When Korea has unlocked all of their ideas, they also get a 10% bonus to Infantry Combat Ability, the last in a set of rather powerful ideas. With low stability cost, cheaper ideas, cheaper buildings and cheaper tech, Korea can keep pace with its larger neighbors through thrift and innovation.


Have a lovely summer!
Cheers from all of us at Paradox Development Studio


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Last-modified: 2013-11-18 (月) 19:50:11 (2068d)