Unlimited Blade Works: The Guide to the Ultimate Paladin/Sorcerer Multiclass

[Garis Hallorand]

Hi, we are going to start the Odyssey of the Dragonlords campaign, and looking at the Player's Guide, there are a couple of interesting choices for the Sorcadin:

Races:
Nymph: +2 Cha, +1 Wis, selecting a subrace gives you darkvision or swimming speed and underwater breathing, 2 spells, one at level 3rd and another at level 7th.
Siren: +2 CHa, +1 Dex, Advantage on Performance and persuasion checks made with voice, and every short or long rest you choose between having 30' fly speed or the hability to cast enthrall at lvl 3 and hold person at lvl 5th, recharging with short rest.

Sorcerer Demigod Origin:
Lvl 1
2 Spells selected from your godly ancestor, recharging after a short rest.
Proficent in strenght saving throws
You may choose to add your Charisma to melee attack and damage rolls instead of Strength

Lvl 6
Spend 1 sorcery point to increase a spell level by 1, max 1 level

Lvl 14
When you fail a save, you may choose to succeed it instead. Recharges agter a long rest

Lvl 18
Spend 1 sorcery point to increase a spell level by 1, without limit

¿What do you think about going Pal6/Sor 14 with this origin? I'm tempted to dip a couple levels on warlock too, to get EB and a couple invocations, (Eldritch Smite).