Pact of the Summon

Shadow Strike.

Increase the damage of 1 attack per turn

Summon

You gain a summon that attacks for you.

At level 4 it can take its actions at any time during your turn unless you give it a separate initiative at the start of combat (before you roll for initiative)

Spell list.

All spells granted by this subclass are always prepared

Minor illusion,Prestidigitation,Shape water,Shield,Silvery barbs,Hunters mark,Minor illusion,Misty step,Suggestion,Shadow blade,Darkness,Counterspell,Haste,Faithful hound

When making a concentration check after taking damage if the spell is hunters mark add 1 to the roll for each level above first

You cannot cast eldritch blast unless you have used Shadow Strike that turn and it isn't being cast as a bonus action

Darkness can be casted using a bonus action

Invocations

Agonising blast does not effect the Shadow Strike ability

Repealing blast causes the target to be pushed back 10ft X number of beams that can be cast using eldritch blast when a creature is hit using shadow strike

Repealing blasts distance is doubled at level 4

lance of lethargy reduces the speed of the creature hit with shadow strike  or when your summon does by 10ft X number of beams cast by eldritch blast

Grasp of Hadar can move a creature within your range at the start of your turn (Maximum 10ft X number of beams cast by eldritch blast)

Grasp of Hadars range is doubled at level 4

Thirsting blade can be taken at warlock level 5 without counting toward your number of invocations know

life drinker can heal your charisma modifier amount of health after you hit a creature (minimum 1)(maximum 3).

 Level 6: Advanced Combat Techniques.

You gain a fighting style from the Paladin class

Level 10: Shadow Blade

You can cast a Shadow Blade at 2nd level without using a spell slot

Level 14: Revenge Strike

When a creature attacks you, you can use your reaction to attack that creature

proficiencys

You gain proficiency in light armour and shields.

You gain proficiency with martial and simple weapons.

Mage armour can be cast once per day without expending a spell slot.

Shadow Strike

When you attack with a melee weapon once per turn you can add the damage of your eldritch blast to a melee attack that hits an enemy.

If you have already used Shadow strike you can use it again if the attack is a critical hit.

Shadow strike can be used with a range weapon if you have the improved pact weapon invocation.

If your level in another class other than warlock is equal to or greater than your level in warlock the Shadow Strike ability deals no damage.

Invocation effects described in the invocation section of the subclass affect the Shadow Strike ability

Summon

You gain a summon that attacks for you

The summon takes the form of an animal/weapon/construct

The summon cannot be larger that medium

If the summon is larger then medium the summon is still considered medium

The summon can only change forms after 2d6 days of downtime

The summon cannot be killed,it cannot be targeted by creatures and it can't trigger traps

The summon cannot attack if you are dead or you have 0 hp.

The summon has the same stats as you.

The summon can benefit from effects that effect the weapon you are currently wielding

The summon can use its turn during your turn or it can have its own turn.

The summon can be sentient

The summon can't be affect negativity by any condition or spell or ability

If the player has a condition the summon is unaffected by it ,unless the player chooses otherwise

The summon has the same amount of actions as the player,(1 action, 1 reaction, 1 object interaction and 1 bonus action)

The base movement speed is your base movement speed +10ft

The summon cannot have its speed reduced

The summon can't cast any spells

Spells affecting the player don't effect the summon

The summon can be affected by spells cast by the player

The damage type dealt is based on the form the item takes eg. a sword will do slashing damage.

The summon uses dex for attack rolls.

The summon deals magical Bludgeoning/Slashing/Piercing damage, This damage type can be changed after taking a long rest

The summon returns to you after it attacks and after it finishes its turn

The summon requires you to command it to take an action until level 4 where it requires no action to command it.

The summon deal 1d10 damage

At level 4 it deals 2d10 damage

At level 5 it deals 4d10 damage

At level 11 it deals 6d10 damage

At level 17 it deals 8d10 damage

Advanced Combat Techniques

Gain a fighting style from the Paladin class from the list provided below.

Defence

You gain a +1 bonus to AC.

Dueling

When you are wielding a melee weapon in one hand and no other weapons, you gain a +2 bonus to damage rolls with that weapon.

Great Weapon Fighting

When you roll a 1 or 2 on a damage die for an attack you make with a melee weapon that you are wielding with two hands, you can reroll the die and must use the new roll, even if the new roll is a 1 or a 2. The weapon must have the two-handed or versatile property for you to gain this benefit

Protection

When a creature you can see attacks a target other than you that is within 5 feet of you, you can use your reaction to impose disadvantage on the attack roll. You must be wielding a shield.

Shadow Blade

You can cast Shadow blade on a weapon of your choice using an action without expending a spell slot.

when you cast it this way it is at its lowest level and you can't lose concentration from taking damage.

Shadow Blade now deals force damage

Revenge Strike

When a creature hits you, you can use your reaction to attack the creature