a spiderman

webbing

starting when you chose the archytpe at 3rd level you can magically produce silky spider webs from your palms. you can project a line of web as a bonus action, allowing you to create a tempory rope, pull a unattended rope, close doors or snatch a object wheighing less than ten pounds within 60 feet. this line dissolves after one minute. If you project the line of web at a point as a bonus action. you can pull yourself to that point in a straight line. this uses movement and provokes opportunity.  you can use this ability as a reaction when you fall to pull yourself up to ten feet in any derection or create a rope up to 60 feet in length and anchor you to a point.

 

venomous strike

also at third level when you deal sneak attack damge to a creature, you can choose to change the sneak attack damge to d8s and cause it to deal poisin damage

wall crawling

 starting at 9th level you have a climbing speed equal to double your walking speed. you can move up, down, and across vertical surfaces and upside down along ceilings, while leaving your hands free. additionally, if you are on a ceiling,you can hide from any creature that is at least  or more below you even if you dont have cover.

web walker

beginning at 13 level, you can cast the spell web at will, without spell slot or spell components. your save dc for this spell is 8+ your dexterity modifer+your proficency modifer. additionaly, you ignore movement restrictions caused by webbing

paralytic venom

begining at 17th level, when you use your venomous strike to deal posion sneak attack damage to a creture. you can force that target to make a constitutuion saving throw(dc equals 8+your dexterity modifer+your proficency modifier) . If the target fails the saving throw it is paralyzed  for one miute. it can repeat the saving throw on each of its turns. you can use this a number of times equal to you proficency bonus