Kill a Necromancer before he summons his minions

Name: I'll Have Another
Description: Complete two complexity 6 dungeons of any size in a row.
Levels required to complete: None sell runescape accounts
Other content required (if known): None

Name: Columbus didn't need one...
Description: Complete a complexity 6 dungeon of any size without opening the map.
Levels required to complete: None
Other content required (if known): None

Name: Invigourated (spelled wrong intentionally)
Description: Save 10% of your adrenaline after using an ultimate ability.
Levels required to complete: 62 Attack, 62 Dungeoneering, 1 of the following: 66 Magic, 66 Ranged, 66 Attack, 81 Strength or 29 Defence.
Other content required (if known): Ring of Vigour

Name: Too Slow
Description: Kill a Necromancer before he summons his minions.
Levels required to complete: 71 Dungeoneering  sell rs accounts
Other content required (if known): None

Name: GGS on crit Boiz
Description: Complete a large dungeon while opening none of the bonus rooms and only spreeing crit.
Levels required to complete: None