Greater Invisibility is a level 4 illusion spell. This spell allows spellcasters to provide a more resilient form of Invisibility for their allies.
Description
Turn a creature Invisible. Attacks against it have Disadvantage. It attacks with Advantage. Invisibility breaks when you fail increasingly harder Stealthchecks on attacking, casting spells, or interacting with items.
When interacting with items, casting spells, or attacking, the entity needs to succeed on a StealthCheck to maintain Invisibility. The Check becomes harder with each successful attempt.
Greater Invisibility
Disadvantage. It attacks with 
Advantage. Invisibility breaks when you fail increasingly harder 
Stealth checks on attacking, casting spells, or interacting with items.
Action + 
Level 4 Spell Slot
Melee: 1.5 m / 5 ft
Concentration
Duration: 10 turns 
Attack rolls. Attack Rolls against it have 