A dragonlance is a renowned weapon forged from rare metal with the aid of powerful artifacts associated with Bahamut. Different lances are forged for use by foot soldiers (as pikes) and by riders (as lances), but the magical properties of the weapons are the same.
You gain a +3 bonus to attack and damage rolls made with this magic weapon.
When you hit a Dragon with this weapon, the Dragon takes an extra 3d6 force damage, and any Dragon of your choice that you can see within 30 feet of you can immediately use its reaction to make a melee attack.
You have Disadvantage on attack rolls with a Heavy weapon if it's a Melee weapon and your Strength score isn't at least 13 or if it's a Ranged weapon and your Dexterity score isn't at least 13.
A Reach weapon adds 5 feet to your reach when you attack with it, as well as when determining your reach for Opportunity Attack with it.
A Two-Handed weapon requires two hands when you attack with it.
If you hit a creature with this weapon, you can push the creature up to 10 feet straight away from yourself if it is Large or smaller.