With the ability to pursue any two of these disciplines, each alchemist you make can be unique and spectacular in their own personal way, offering a staggering opportunity for fresh and different characters. While, with the field of Mechanism, you can simply build your own friends where fragile biological ones fail you.
The field of Reanimation, lets you pervert life instead, and blur the barrier between life and undeath. As a Blight-breaker, you can focus on curing maladies, protecting your allies, restoring health and even returning life to the fallen. The field of Blight-making lets you specialise in plagues and poisons this archetype uses a few tricks in a concerted effort to make poisoning and poison use actually viable as a choice in 5e, as well as giving some extra attention to the use and function of diseases.
The field of Mutagenics lets alchemists perform art and science with their own bodies, changing themselves to adapt to almost any situation. As a Destruction specialist, you can turn this simple science of bomb-making, which all alchemists know the basics of, into a flexible, potent, and terrifying art form.