Your mount can use its reaction to impose disadvantage on any melee attack directed at you. With Warding Bond, it might increase your AC even further although absorbing half your damage. You can also use a reaction to Forged Shield for another +five AC if a thing looks like it’ll https://goliathfighter25824.blogofchange.com/28645138/how-gnome-tinker-5e-can-save-you-time-stress-and-money