I have recently joined a 5e campaign and I was thinking about making a Sorcerer Rogue multi-classed character. Before I commit to that character build, what are the pros and cons of multi-classing in the 5e stystem that apply to mixing those two classes: Sorcerer and Rogue.
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The main disadvantage seems to be that ability score increases (ASI's) are tied to class level in 5e rather than character level, so you really need to keep your multi-class levels in multiples of 4 in order not to lose this important feature.
Spell casting is another major thing, especially for a sorcerer. If you don't multi-class with another spell caster you will lose access to spell slots, which I understand is pretty important for a Sorcerer.
One advantage is that you will have a more varied array of options available to you.
One disadvantage is that those options will all be of a lower level than you could have had if you stuck to a single class.
If you take 10 levels of one class and 10 levels of another class you will have twice as many level 10 and level 5 class features to use, but you won't have any level 15 or level 20 class features.