Hidden Step could be the firbolg’s ability to vanish between turns. Like a reward action, I can turn invisible until eventually I attack, Solid a spell or pressure a goal to make a saving throw. Or else, my invisibility lasts until finally my following turn.Any on the 5e DnD races (or species) can roll up their sleeves to understand the joys of

For your infusions, mechanically enchanting any weapons and armor you may get is  possibly the way to go. You may also consider Pipes of Haunting to give your dragon the fear aura it so richly deserves.Kobolds are considered a member of your Fantastical races, which suggests you may place your ability score enhancements in whichever box fits you.