toughness usually gives you +1 hp per level (you can take it at any level, and it continues to increase, so at level 20 you get +20 hp, even if you took toughness at level 1), and used to lead to other feats that did stuff like give you damage reduction. Also, iirc it's a bad idea to multiclass paladin with fighter, there really isnt much benefit compared to what you lose.
There are better classes to take if you really want to multiclass ranger, druid isn't the best.
The stuff you can make in dnd (polearm master that auto knockdowns anyone who moves within 20 feet, monks that move 100ft/round and have high initiative so they can use their stunning
palm on entire groups of enemies before they can even react, dual wielding hand crossbow expert that can attack 5 times a round with multiple spells buffing damage the damage of each bolt while you fly around out of enemy reach) can be pretty crazy, it's sad that there doesn't seem to be much creativity going on here. then again they are all below level 5
/sperg off