Iron Fist and Big Leagues are your bread and butter for getting big damage out of your fists and weaponry. If it does not proc on the second turn-in, it won't happen at all. If Idiot Savant doesn't proc, reload your quicksave and try it again. Fun trick - you can quicksave before turning the quest in, then turn it in. However, I prefer the 5x XP from popping a quest. Some people like to go three points into it so they can essentially get mini-quest levels of XP from enemies in the game. Idiot Savant is ABSOLUTELY IMPORTANT, as it's going to level you insanely fast. This will cover about the first 20 levels or so for you.

Full points in Iron Fist (if unarmed) or Big Leagues (if melee weapon).

With this build, you are looking to unlock the following perks as fast as possible.

2 points in Charisma (use the SPECIAL book at Shaun's crib to give you a 3rd point if you are not going to use Pain Train).

9 points in Strength (use the SPECIAL book at Shaun's crib to give you a 10th point if you are going to use power armor and Pain Train).

Here is a basic breakdown of where you'll need to allocate your SPECIAL points as well as what perks to focus on for the first 20 levels or so: You'll also need to get Armorer and Blacksmith at some point in order to improve that armor and weaponry, which is what you'll focus on past level 20 or so. Much of this is because you will have a ton of damage up front with very little genuine survivability until you have worked up some legendary gear with great affixes (Sentinel, Martyr, and stuff that generally has percentage damage reduction on it). However, it will cheese the hell out of this game on low difficulties, and it will be somewhere between fairly difficult to nigh impossible on Hard and above. Let's start with some simple information: doing a melee build in Fallout 4 is fun as hell. There MAY be spoilers somewhere in these parts, so be aware of that (though I doubt there will be). I've received a few different direct messages after my last blog about doing a melee build in Fallout 4, and I figured 'what the hell, I'll give everyone the secrets.' Now, I'm not going to say that this is an end-all be-all of melee builds, but it will give you a good idea of where to start and what to look for. Fallout 4: How to Melee Build and Wreck Everyone

Fallout 4 melee block mod