The old veteran is capable of fighting and teaching PCs how to use martial weapons and armor for a fair bit of coin.
Version 1.1
While a few simple actions 12s in all stats and advantage on constitution saves and athletics. He is an expert in all armors and weapon types. Capable of wielding any armor and weapons the DM may give them.
He normally runs with plate mail and a greatsword. This gruff older man is favorable to adventurers and more so folk heros.
Teaching
Weapon Teachings
Simple Weapon proficiency: Costs 15 g and takes 2 weeks of all daylight to train.
Martial Weapon Proficiency: Costs 15 g for each martial weapon and takes 3 weeks to train each.
Armor Teaching
Light Armor: To pay for lessons it costs 10 g and will take 4 days of all the daylight.
Medium Armor: To pay for lessons it costs 20 g and will take 1 month of all daylight.
Heavy Armor: To pay for lessons it costs 50 g and will take 2 months of all daylight.
This forged being is not as young as they sound. When speaking they give off a gentle young tone, maybe sounding like a mature older sibling to some, but not quite like the tone and age of a parent.
Version 1
Tadashi cares for the anxieties of adventurers are will intervene in certain circumstance if they party chooses to leave him well. Mind you it takes a lot to push away someone like this.
For GMs. Tadashi is the in game response to the X card, Red flag, Red card, or whatever equivalent you have to those. When a player wants to shut down a situation and gives you the signal for it to stop, if you do not have a good way to get it to stop, then enters Tadashi.
They have no combative skill but is extremely persuasive and sturdy. They is capable of using any spells to aid in protecting the mind of someone they care about. These spells such as friends and charm, if necessary, can be used at will and only require the wave of the hand.
Tadashi has proficiency in all saves and charisma rolls with a +14 in proficiency. They have Str 10, Dex 10, Con 30, Int 30, Wis 12, Cha 30. Tadashi is the supreme intelligence but only uses it for good as they see fit.