VeyloXen

A grave block spawns when you die, keeping all your items and XP safe until you come back for them. Your coordinates are shown in chat so you always know where to find it.

A configurable Minecraft mod that lets you walk on air by placing ice beneath you as you move, even while jumping or flying. It also includes a customizable keybind to toggle the ability, plus crouching to descend while the ice continues placing.