I really like the Awakened Mind ability and the aberrant outer planes connection and would like to build an optimized Warlock.

House rules: We do get both a feat and ability bonus at level four, at which level the campaign will start. Variant Humans are allowed. We are allowed to raise stats to 16, for a cost of 12 (as in playtest, different from PHB, where 15 is the max).

My preferences: I would prefer to have a Human, Halfling or Drow...maybe a Half-Elf. No Tiefling. It should be a Tome Warlock as I want to pick up Tome of Ancient Secrets, but not necessarily now on L4. I plan to Thorn Whip and Vicious Mockery as two of the any-class-cantrips.

Having moderately armored and a shield would be nice, but I am willing to forgo it if it hurts DPS too much.

What would be an optimal build given the above mentioned constraints?

  • \$\begingroup\$ How far will this character be expected to advance in levels? Are you just looking for the initial build or to take the character to level ... 9, 11, 15? \$\endgroup\$ Commented Sep 27, 2017 at 12:42
  • \$\begingroup\$ Max 9, wont be a very long campaign \$\endgroup\$
    – Mala
    Commented Nov 16, 2017 at 8:25

2 Answers 2


To optimize DPS on a Warlock, you're looking to get as much Charisma as possible, and take the Eldritch Blast cantrip along with the Agonizing Blast invocation. Of the races you've said you'd prefer, the Half-Elf is the best for this. With your level 4 ability score increase, this gets you to 20 Charisma straight off the bat.

The next thing I'd recommend would be to take the Hex spell to add an extra d6 to your attacks. This gives you a d10 + d6 + 5 attack while your Hex is active, and since it's a level 1 spell that lasts up to an hour you should have it for every fight.

This gives you your basic attack. Outside of that, Shatter is your go-to spell for AoE damage (the Warlock doesn't have many options in this area). If you're looking to improve your hit chance rather than directly boosting your damage, replacing Hex with the Darkness spell and the Devil's Sight invocation will get you advantage against most enemies.

As far as feats are concerned, there aren't many options that will improve your damage. Spell Sniper would let you ignore half and three-quarter cover, which may come in handy, but its other features don't help you much. Crossbow Expert will let you use Eldritch Blast while in melee without taking disadvantage, but doesn't give you anything else you're interested in. War Caster will help you maintain concentration, but more importantly, it will allow you to make opportunity attacks with your Eldritch Blast. That said, in order to get opportunity attacks you need to be in melee, which won't work well without Crossbow Expert.

So Crossbow Expert combined with War Caster will give you a powerful oportunity attack, but it requires 2 feats and you can't rely on getting opportunity attacks often. Crossbow Expert is still useful on its own so that your attacks don't suffer when an enemy gets into melee with you, but overall, you might be better off going with Moderately Armoured as you've planned.


You might consider the Mire the Mind Invocation, giving you the spell Slow once per long rest, works well with Repelling Blast to keep enemies far, far away, and with the multiple hits of Eldritch Blast at later levels, they are pushed back for each hit.

  • 2
    \$\begingroup\$ While this is the beginning of a good answer, this optimization question asks for the whole build rather than the single choice of a spell of invocation Please flesh out the build to meet the parameters in the question. Welcome to RPG.SE. Please take the tour and visit the help center to get a feel for how this Q&A site works. Glad you have joined in. This appears to be a comment/add on to Miniman's answer. Answer are supposed to stand on their own merits. \$\endgroup\$ Commented Sep 27, 2017 at 12:41

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