Introduction:

I. With Trespasser DLC, you can choose one of two upgrades for abilities. This mod makes both upgrades available so you can learn them at the same time, as is shown in the screenshots.
II. Add upgrades that are unreleased by official and from ability rings.
III. Remove all ability requirements.
IV. This mod is made using Frosty Editor (see credits below) and can only be applied using Frosty Mod Manager. I highly recommend you to download Frosty Mod Manager! Just with a few steps set, you can enjoy all the entertainment of this mod: )

Updates:

I. Version 1.01: Remove in-mod screenshots to greatly reduce the file size; Update to ReadMe.txt file.
II. Add an optional file that doesn't make changes to abilities from Inquisitor tree.
III. Add Frosty Mod Project File of the main mod for anyone who's interested.

Installation Instructions:

I.Download Frosty Mod Manager from https://frostytoolsuitedev.gitlab.io/downloads.html , extract it to any place.
II. Download this mod from the FILES page.
III. IMPORTANT! If you have other DAI mods enabled, please open the Update Folder under your game directory, and swap the names of Patch and Patch_ModManagerMerge (i.e. rename Patch to XX, rename Patch_ModManagerMerge to Patch, and rename XX to Patch_ModManagerMerge).
IV. Launch Frosty Mod Manager, then select DragonAgeInquisition.exe under your game directory.
V. Click Import Mod(s) button, then select the mod zip file (Enable-All-Ability-UpgradesXXX.zip).
VI. Select Enable All Ability Upgrades in the left area and click Apply Mods. Make sure this mod is checked under the tab Applied Mods in the right area.
VII. Click Launch and have fun!

Notes:

I. To enable/disable this mod, just launch/do not launch Frosty Mod Manger before you start the game.
II. This mod modifies ability trees in game, so any other mod with tweaks to the same ability trees will not work together with this one.
III. If you would like a mod that only modifies certain ability trees, please reply in the POSTS page, and I'll make one in my spare time.
IV. IMPORTANT! To make changes to traditional mods of DA:I, you need to undo step 3 of the Installation Instructions above (by swapping the folders' names again).
V. Not all abilities' upgrades work at the same time even if you learn both of them. More exploration is expected on your hands: )
VI. It's recommended to prepare enough Respec Amulets in case you encounter any bug after learning the upgrades. Check out Jerrybullet's The Tactician's Renewal - Unlimited mod (https://www.nexusmods.com/dragonageinquisition/mods/1429/?) .
VII. Trespasser DLC is needed to get all upgrades displayed. Jaws of Hakkon DLC is needed to get Aegis of the Rift ability.

Credits:

I. Great thanks to Bioware, for creating this amazing game!
II. Great thanks to GalaxyMan2015, benji, and derwangler, for developing The Frosty Tool Suite (https://frostytoolsuitedev.gitlab.io/about.html).
III. This mod can't be made without their hard work!