Artifacts in Heroes III.

Andrey, you need to provide some justification, otherwise I don't even know what to answer! If we're going to argue, let's get to the point!
Look:
1) The best artifact is the one that suits everyone and works in any situation, and the Cloak is useless without Necromancy.
2) The Alliance provides a good stat boost, while the Cloak provides none.
3) You can use the Alliance right away, but with the Cloak, you need to play for at least a couple of weeks to build up your army.
Of course, if you're a Necromancer and have a couple of weeks, then there's no better artifact. But this is a specific case; you can find a similar situation for almost any artifact and say that in that case, it's the best!
And you're talking about the Shackles. I honestly didn't understand. Explain why it's the best. Justify it!
monarh, you can only remove the Prayer after your opponent has used it. And an attack of level 6-7, especially with an Expert Prayer, causes significant losses in your ranks.
A lot of primary skills, or rather +21 to each, is, in my opinion, a very weighty argument! Even a level 1 Chirurgeon becomes a great hero with such an artifact. And if you put it on a good hero...