That’s actually pretty essential, and because you’re an artificer, you can make any weapon or armor useful. Smith’s supplies are primarily useful for fixing party member’s weapons and armor, or making new ones. Smith’s supplies are actually pretty important to have in any party, so having access to one for free is nice.
If you already have this proficiency, you gain proficiency with one other type of artisan’s tools of your choice. When you adopt this specialization at 3rd level, you gain proficiency with smith’s supplies. The Battle Smith has the best proficiency there! To start, every artificer gains proficiency with some toolkit.
In any case, most of the Battle Smith’s Defender properties are hidden behind spells and some class abilities, so be sure to position yourself (and your new pet!) wherever it’d be easiest. Thanks to the Infusion mechanic, the Artificer can even be a thrown weapon build, and might be the easiest way to gain access to them. The Battle Smith can be useful in the front or backline roles they just need a weapon in hand. Conclusion – Our Take on the Battle Smith 5E.
