To get the Critical Insight Triumph in Destiny 2, you will need to focus on several Umbral Engrams at the War Table until you get one that refunds yourRisen Umbral Energy. However, before you can get your Risen Umbral Energy, you must unlock theUmbral EchoWar Table upgrade. You can unlock the Umbral Echo War Table upgrade.
You can unlock the Umbral Echo upgrade by usingInsightyou can earn from Seasonal challenges. Once you upgrade the table with Umbral Echo, you can start trying to get the Critical Insight Triumph in Destiny 2. Start by heading back to the decoding section of the War Table.

Related:How to get the Divinity Trace Rifle in Destiny 2
At the decoding section of the table, you will want to keep focusingTools of the Risen engramsuntil one that rewards your Umbral Energy back. After successfully getting at least engram to refund your Risen Umbral Energy, you will unlock the Critical Insight Triumph in Destiny 2.
How to get more Risen Umbral Energy
Before you can focus Umbral Engrams, you will need to get Risen Umbral Energy. You can get Risen Umbral Energy by completingPsiOps Battlegrounds. Completing PsiOps Battlegroundswill reward Risen Umbral at the end of each mission. Once you get at least one Risen Umbral Energy, you can focus Tools of the Risen engrams with10 Legendary Shardsandone Umbral Engram.
For more on Destiny 2, we at Pro Game Guides have you covered with guides likeHow to Get the D.F.A. Hand Cannon in Destiny 2andWho is Mor’ak, Lightstealer in Destiny 2?