Changes

| ko_name = 더 시크릿 오브 에볼루션| ko_rr_name = Deo Sikeurit obeu Ebollusyeon| ko_trans_name = The Secret of Evolution

| size = * 90(Japanese)* 85 (Korean)* 100 (TCG)

| ja_database_id = 1117002| en_database_id = 11114000| fr_database_id = 31114000| de_database_id = 21114000| it_database_id = 41114000| es_database_id = 51113000| ko_database_id = 71113000

| special_edition = Secrets of Eternity: Super Edition

| ja_release_date jp_release_date = November 15, 2014| ko_release_date kr_release_date = February 13, 2015

| fr/de/it/es_release_date sp_release_date = January 15, 2015| pt_release_date = January 16, 2015| sp-lat_release_date = January 16, 2015

| next = Crossover Crossed Souls

'''''Secrets of Eternity''''', known as '''''The Secret of Evolution''''' (ザ・シークレット・オブ・エボリューション ''Za Shīkuretto obu Eboryūshon'') in the ''OCG'', is a [[Booster Pack]] in the ''[[Yu-Gi-Oh! Official Card Game]]'' (''OCG'') and ''[[Yu-Gi-Oh! Trading Card Game]]'' (''TCG''). It is the third set in the ''OCG''{{'}}s [[OCG Series 9|9th series]], following ''[[The New Challengers]]''. It is , and followed by ''[[Crossover Crossed Souls]]''.

* Contains 80 cards in the main set, plus 10 Japanese World Premiere cards.* 6 [[Ultra Rare]]s, 10 [[Super Rare]]s, 20 [[Rare]]s, and 54 [[Common]]s.* In the ''OCG'', Super Rare and Ultra Rare cards can also come in Secret Rare.* Includes cards used by [[Yuya Sakaki]], [[GongStrong]], [[Shun KurosakiShay Obsidian]], [[Hokuto ShijimaDipper O'rion]], [[Yaiba TodoKit Blade]] and [[Masumi KotsuJulia Krystal]].

* Contains members and/or support for the "[[Constellar]]", "[[Deskbot]]", "[[Dragunity]]", "[[Gem-Knight]]", "[[Jinzo (archetype)|Jinzo]]", "[[Koaki Koa'ki Meiru]]", "[[Metaphys]]", "[[Monarch (series)|Monarch]]", "[[Morphtronic]]", "[[Nekroz]]", "[[Performapal]]", "[[Qli]]", "[[Shaddoll]]", "[[Ritual Beast]]", "[[Superheavy Samurai]]", "[[tellarknight]]", "[[Volcanic]]", "[[Wind-Up]]", "[[X-Saber]]", "[[Yosenju]]", "[[Charmer]]", and "[[Familiar-Possessed]]" [[archetype]]sarchetypes.

* Introduces * The Korean version contains a member for the "[[InfernoidOld Entity]]", archetype.* Introduces the "[[Monarch (archetype)|MonarchInfernoid]]" and "[[Raidraptor]]" archetypesto the ''[[OCG]]''/''[[TCG]]''.** Introduces the "[[Draconia]]", "[[Nekroz]]", "[[Ritual Beast]]" and "[[Yosenju]]" archetypes /series to the ''TCG''.

{{Main|Set Card Ratios:Secrets of Eternity (OCG)}} In the Japanese ''[[OCG]]'', there are 5 cards per pack and 30 packs per box. There are The set contains 90 cards in total. Counting cards released with more than one rarity, there are 103 or 113 cardsin the [[Master Set]]. This comprises:* 1 [[Holographic Rare]] (also available as Ultra Rare, Secret Rare, and Ultimate Rare)* 6 [[Ultimate Rare]]s* 16 [[Secret Rare]]s* 6 [[Ultra Rare]]s(all available as Secret Rares and Ultimate Rares)* 10 [[Super Rare]]s(all available as Secret Rares)

{{Main|In the Korean ''[[OCG]]'', there are 5 cards per pack and 40 packs per box. The set contains 85 cards, or 100 cards in the [[Master Set Card Ratios]]. This comprises:Secrets of Eternity * 1 [[Holographic Rare]] (TCGalso available as Ultra Rare and Secret Rare)}}* 14 [[Secret Rare]]s * 5 [[Ultra Rare]]s (all available as Secret Rares)* 9 [[Super Rare]]s (all available as Secret Rares)* 19 [[Rare]]s* 52 [[Common]]s

In the ''[[TCG]]'' , there are 9 cards per pack, 24 booster packs per box and 12 display boxes per case. The set contains 100 cards , or 106 in the [[Master Set]]. This comprises:

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* [http://www.yugioh-card.com/fr/products/sece.html yugioh-card.com/fr] ''Les Secrets of Eternityde L'Eternite'' {{icon|Frenchfr}}* [http://www.yugioh-card.com/de/products/sece.html yugioh-card.com/de] ''Secrets of Eternity'' {{icon|Germande}}* [http://www.yugioh-card.com/it/products/sece.html yugioh-card.com/it] ''Secrets of EternitySegreti dell'Eternità'' {{icon|it}}* [http://www.yugioh-card.com/lat-am/pt/products/bp-sece.html yugioh-card.com/lat-am/pt] ''Segredos da Eternidade'' {{icon|Italianpt}}* [http://www.yugioh-card.com/es/products/sece.html yugioh-card.com/es] ''Secretos de la Eternidad'' {{icon|es}}* [http://www.yugioh-card.com/es/products/sece.html yugioh-card.com/lat-am] ''Secrets of Eternity'' {{icon|Spanishes}}* [http://www.yugioh.co.kr/lineup/newitemdetail/8 yugioh.co.kr] ''더 시크릿 오브 에볼루션'' {{icon|ko}}