+Excess experience would be saved for later.
+One could see how much one has and where it can be reallocated.
+The option to reallocate them would be in the same window as spells and could be done in advance, for example when the player is standing in the arena and finds out he has “lvl up”.
+Then the person would run to the npc for charge spell and the respec and just choose and confirm.
+It would cost more gold.
- One could set up nodes in advance when getting the xp.