Mark of Honor is a Level 1 item in Shadowlands that can be exchanged for legacy weapons.
WoW Warcraft Shadowlands
Skyward Bell spawns on two locations, you cannot just randomly find it. Refer to the map location in this guide to find Skyward Bell in Shadowlands.
Want to loot rare rewards in the Dominance Keep area? Refer to this guide to know about Bleakwood Chest location.
Here's everything you need to know about WoW Shadowlands World Bosses.