A quick summary
Xander and Calamitas had died due to old age, Inkmatas' inkling friends had also died of old age and Inkmatas had started to lose her will to live, she tried to have Redi try to bring them back but he was always too busy, The collector was too busy with Astra, and Eggy was busy raising his children.
One day Inkmatas tied a noose and tried to hang herself but that didn't work. One day Redi entered Inkmatas' room and saw that Inkmatas had given up on life