You can read and write common and one other language of your choice 

Twoads live for a really long time due to their natural healing, most live for around 500 years 

Your constitution and dexterity scores both increases by 2 but your intelligence decreases by 1

You can use your tongue as a natural weapon dealing 1d6+ your DEX modifier. You can also use your tongue to grab things as a action, or you can even bind an enemy with it(DEX save of 15.

 Your tongue is 30 ft long

You have an AC of 15+ your Con modifier 

You can exert up to 5 small vials of toxins every short rest. You can use these toxins while grappled to be immediately released. These toxins immediately wither away vines and small plants and shrubs. They don't have any effects on undead or construct. You can add the toxins to your attack to deal 2d6+CON modifier extra poison damage. If these toxins are consumed by any creature without immunity to poison damage or poison, they take 8d10 poison damage and become poisoned, they take half of the amount of they have resistance, but the poison has a warning scent and the target will only consume the poison of convinced

You have advice against saving throws on being desiesed, poisoned and resistance again poison damage and can heal 1d6+your CON modifier 5 times per long rest

You have darkvision up to 60ft in shades of grey 

You can jump up to 50 feet as a movement option, you can use this speed before or after your regular movement. You may fall from three times the usual hight and not take fall damage, and you may high jump 5 times your strength modifier

You have a walking speed of 25 ft, a climbing speed of 25, a burrowing speed of 25