He wanted to immediately make an appearance but he decided to first wait and find an opportunity to gain their goodwill.
He then kept watch of their every movement during a couple of days, he started frowning as he realised that this beast clan is the overlord of the surrounding area, there aren't that many beings capable of threatening them.
Also, their branch or lower members are capable of solving the problems of most core members of their clan, Shadowslash continue to patiently wait for his opportunity.
19 days passes by and finally, he had obtain an opportunity to make an appearance, a couple of the younger generation of the bear clan have decided to travel deep into the forest near their territory.
He summoned a clone and have it transform into a high level beast that is present on this forest, he had it attack the bear clan members.