Silver Dragon Wyrmling

Medium dragon, lawful good

Armor Class 17 (natural armor)
Hit Points 45 (6d8 + 18)
Speed 30 ft., fly 60 ft.

Saving Throws Dex +2, Con +5, Wis +2, Cha +4
Skills Perception +4, Stealth +2
Damage Immunities cold
Senses blindsight 10 ft., darkvision 60 ft., passive Perception 14
Languages Draconic
Challenge 2 (450 XP)

Actions

Bite. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 9 (1d10 + 4) piercing damage.
Breath Weapons (Recharge 5–6). The dragon uses one of the following breath weapons.
Cold Breath. The dragon exhales an icy blast in a 15-foot cone. Each creature in that area must make a DC 13 Constitution saving throw, taking 18 (4d8) cold damage on a failed save, or half as much damage on a successful one.
Paralyzing Breath. The dragon exhales paralyzing gas in a 15-foot cone. Each creature in that area must succeed on a DC 13 Constitution saving throw or be paralyzed for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.