Pact of Valhalla

you have looked to the place of heroes and made a pact with the once heroes, you have vowed to carry out their ways and have devoted your magic to combat.

Hero’s proficiency

 you gain proficiency in martial weapons and medium armor.

Expanded spell list

you gain additional spells

Hero’s endurance

If you are reduced to 0 hitpoints then you may make a dc 15 constitution saving throw.  If you succeed you drop to one hit point instead of zero. You may only use this feature once per long rest.

Hero’s fury

You may spend a spell slot to become resistant to all non magic attacks and have advantage in weapon attack’s for as long as you hold concentration.

Hero’s legacy

After hitting a creature you can spend a spell slot to summon the warriors of Valhalla to strike down your adversary. You deal an extra number of d6’s worth of radiant damage equal to your worlock level. You can only use this feature once per long rest.