You have a point, but until then I can help you with this ,
If a shield is heavier than 8 kg, its 2 slots. Awlpike cant be used with a shield, but Ashwood pike can, and definetly the best one. If you will go 1h - Polearm hybrid , use a sheatable spear , I think war spear would do it. If you have other questions , go check beginners section on forums