Rate my class format:

(level). Feature name:(use)

1. Proficencies

Saving throws- DEX+INT

2 from acrobatics, nature, perception, or stealth and 1 expertise from those

Light armor, ranged weapons & weapons with the thrown property

1. Fighting style- Close-quarters shooter, Archery, Defence

2. Mark of the archer-  You can cast Hunter's Mark without expending a spell slot times up to 1/2 your intellegence modifier.

3. Archer Specialty- You choose one of the following subclasses: Specialty of the Dragon Slayer, Specialty of the Shadow Hunter, Specialty of the Psionic Shot, or Specialty of the Undead Slayer. You also gain the benefits from it.  

3. Spellcasting- You become a 1/3 caster with ranger's spell list.

4. Ability Score Increase- You gain an ASI. You gain another at 8, 10, 12, 14, 16, and 19.

5.  Extra Attack- When you take the attack action, you can attack twice, instead of once when you take the attack action on your turn.

6. Archer Specially Feature- You gain features based on your archer specialty.

7. Death's Door- When you attack a creature below it's maximum HP, you deal an extra 1d6 damage.

8. Turn the Tide- When a creature misses with a weapon attack, you can use your reaction to make one weapon attack against it.

10. Archer Specialty Feature- You gain features based on your Archer Specialty.

13. Archer Specialty Feature- You gain features based on your Archer Specialty.

15. Action Surge- You gain a use of action surge.

17. Archer Specialty Feature- You gain features based on your Archer Specialty.

18. Quickened Shot- You may make an attack as a bonus action 6 times per long rest.

20 *CAPSTONE!* Slayer of Man and Monster- You can expend a spell slot. You deal an extra 1d10+(spell slot level)d10 damage on all weapon attacks for the rest of your turn.

Without subclasses/multiclassing, it is possible to do 260/400(AS)~ dps