Group Rocks/Trees:

So there should be larger Rocks/Trees that can be mined by several players.
This Rock/Tree will have alot of hp for example the 1+ group would have like 2000hp compared to the 100 hp of lvl 1 Rock/Tree. Once destroyed you will recive alot of experience and Ores/Wood compared to its level group.

Level Groups:

1+
15+
40+
70+

Details:
These rocks/trees would respawn like every 20 mins.
Also should only be 1 of every group on map.

Names:
some names i thought of...

Rocks:
1+=Rock cluster
15+=Iron cluster
40+=Gold cluster
70+=Emerald cluster

Trees:
1+=idk
15+=idk
40+=Redwood(maybe)
70+=idk