Nimble Escape. The goblin can take the Disengage or Hide action as a bonus action on each of its turns.
Spellcasting. The goblin is a 5th-level spellcaster. Its spellcasting ability is Charisma (spell save DC 13, +5 to hit with spell attacks). It regains its expended spell slots when it finishes a short or long rest. It knows the following warlock spells:
Cantrips (at will): chill touch, eldritch blast, light, message, thunderclap, vicious mockery
1st-5th level (2 3rd level slots): crown of madness, dissonant whispers, fear, hex, mirror image, vampiric touch
Dagger. Melee Weapon Attack: +4 to hit, reach 5ft., one target. Hit: 4 (1d4 + 2) piercing damage